Answers
Answer:
Body fossils
Explanation:
Normally, only the hard skeleton is preserved (shell or bone), and the soft tissue (skin, muscle, organs, etc.) rots away after death. Animals with weak skeletons (e.g., a shrimp or an insect) are less likely to be preserved and animals that lack a skeleton entirely are very rarely fossilized.
Related Questions
Will mark brainliest!!!
Answers
Answer:
water
Explanation:
The molecules that are used up in photosynthesis are water and carbon dioxide.
Answer:
D. Water
Explanation:
The molecule that is used up during this process is Water.
How did the scientists show that organisms and Earth changed over time?
Answers
Directions: The suggested time for answering this question is about 22 minutes. Where calculations are required, clearly show how you arrived at your answer. Where explanation or discussion is required, support your answers with relevant information and/or specific examples.
The term “urban sprawl” describes the expansion of cities into rural areas. This phenomenon has occurred around the world and has had economic, health, and environmental consequences.
Describe TWO causes of urban sprawl.
Discuss TWO human health effects associated with urban sprawl.
The graph below shows the relationship between population density and petroleum use in selected cities.
Describe the relationship between population density and petroleum use shown in the graph.
A graph is shown of petroleum use. The y-axis is relative annual per capita petroleum use with no numbers on the axis. The x-axis is density in persons per hectare, which goes from 0 to 300 in increments of 50. A curve is drawn starting at the top of the y-axis and is decreasing and concave up with increasing density. The curve appears to asymptote along the x-axis and is relatively flat by about 200 persons per hectare. There are points that lie close to the curve indicating where particular cities fall. The first four cities at the top of the curve, which are both below 50 persons per hectare, are Houston, Los Angeles, Washington, and New York. Below New York a horizontal line is drawn indicating that the cities about this line are in the United States. Below this line but above the next horizontal line are Melbourne, Sydney, and Toronto, all around 50 persons per hectare. The cities between these horizontal lines are indicated to be in Australia and Canada. Below the second line but above the third line are Paris, London, and Vienna, from about 75 to 150 persons per hectare. The cities between these lines are indicated to be in Europe. Below the third horizontal line but above the x-axis are Tokyo, Moscow, and Hong Kong from about 150 to 275 persons per hectare, and the cities in this area are from East Asia and Russia.
Smart growth focuses on ways to encourage sustainable urban development. Describe TWO steps a municipality could take to encourage smart growth in order to limit urban sprawl.
Highway systems and urban sprawl often threaten wildlife populations. Describe TWO methods to reduce harmful effects on wildlife populations from highways and urban sprawl.
Urban sprawl often results in the loss of productive agricultural land near cities. Describe one practical way to increase food production within urban areas.
Answers
Answer:
Causes of Urban Sprawl:
Population Growth: Rapid population growth is a significant cause of urban sprawl. As cities experience an increase in population, there is a greater demand for housing and infrastructure, leading to the expansion of urban areas into previously rural or undeveloped lands.
Transportation Infrastructure: The development of transportation infrastructure, such as highways and roads, can contribute to urban sprawl. Improved accessibility and connectivity provided by these infrastructures often lead to the outward expansion of cities as people choose to live farther away from city centers.
Human Health Effects Associated with Urban Sprawl:
Sedentary Lifestyle and Obesity: Urban sprawl often leads to increased reliance on private vehicles and longer commuting distances. This sedentary lifestyle, coupled with the lack of pedestrian-friendly infrastructure, can contribute to a decrease in physical activity and an increased risk of obesity among residents.
Air Pollution and Respiratory Issues: Urban sprawl is associated with increased vehicular emissions, leading to poor air quality. Exposure to high levels of air pollution can cause respiratory problems, such as asthma and other respiratory diseases, impacting the health of individuals residing in these areas.
Relationship between Population Density and Petroleum Use:
The graph illustrates that there is an inverse relationship between population density and petroleum use. As population density increases, per capita petroleum use tends to decrease. This relationship suggests that higher population density is associated with more efficient use of petroleum resources, potentially due to factors such as improved public transportation systems, shorter commuting distances, and increased availability of alternative modes of transportation. The graph indicates that cities with higher population density tend to have lower per capita petroleum use, while cities with lower population density exhibit higher per capita petroleum use.
Steps to Encourage Smart Growth and Limit Urban Sprawl:
Mixed-Use Development: Municipalities can encourage mixed-use development, which involves integrating residential, commercial, and recreational spaces within the same area. This approach reduces the need for long commutes and promotes walkability, thereby limiting urban sprawl.
Transit-Oriented Development: Promoting transit-oriented development focuses on creating compact, vibrant communities around public transportation hubs. By providing easy access to public transit options, municipalities can encourage residents to rely less on private vehicles, reducing congestion and the need for expansive road networks.
Methods to Reduce Harmful Effects on Wildlife Populations:
Wildlife Corridors: Establishing wildlife corridors or green belts can mitigate the negative impacts of highways and urban sprawl on wildlife populations. These corridors provide protected pathways for wildlife to move between fragmented habitats, reducing habitat fragmentation and enhancing biodiversity conservation.
Eco-Friendly Infrastructure Design: Implementing wildlife-friendly infrastructure design features such as wildlife crossings, underpasses, and fencing can help prevent wildlife-vehicle collisions. These measures allow animals to safely traverse across highways and urban areas, minimizing the detrimental effects on wildlife populations.
Increasing Food Production within Urban Areas:
One practical way to increase food production within urban areas is through the implementation of urban agriculture initiatives. This can involve utilizing rooftops, balconies, community gardens, and vacant lots to cultivate crops, raise livestock, or engage in aquaculture. Urban agriculture not only increases local food production but also promotes food security, community engagement, and environmental sustainability by reducing the carbon footprint associated with long-distance food transportation.
By adopting smart growth strategies, addressing the impacts of urban sprawl on wildlife and implementing urban agriculture initiatives, municipalities can actively promote sustainable and resilient urban development.
Why is a water strider (those small bugs that walk on the surface of the
water without sinking) able to stay on top of the surface of the water and
not sink?
Select one:
a. Water has adhesive properties which keep the insect on the
surface.
O b. The water's surface tension that is a result of its cohesive
properties makes this possible.
O c. The covalent bonds that hold a water molecule together are
responsible for this ability.
O d. The insect is less dense than water so it naturally floats.
Answers
What happens during transcription ?1.) DNA is used as a template to make messenger RNA 2.)RNA is used as a template to make messenger DNA 3.) 2 exact copies of double stranded DNA are made
Answers
Answer:
2 exact copies of double stranded DNA are made
Explanation:
hope it helped!
What characteristic was used in this mission to determine a banana's relationship to other the plants?
Answers
The characteristic used to determine a banana's relationship to other plants is its morphology or physical characteristics.
What is morphology?
Morphology is the study of the form and structure of living organisms, including their physical and anatomical features. In biology, morphology is used to describe the appearance, shape, and size of different parts of an organism, such as its organs, tissues, cells, and even its molecules. This includes the study of external and internal structures, as well as their function, development, and evolution. Morphological characteristics are often used in the classification and identification of different species, as they can provide important clues about an organism's evolutionary history, ecological niche, and relationship to other organisms.
We assume you are referring to the scientific classification of bananas in the plant kingdom. In this case, the characteristic used to determine a banana's relationship to other plants is its morphology or physical characteristics. Bananas belong to the genus Musa, which is part of the family Musaceae.
The characteristics used to classify plants into different taxonomic groups include their structural features, such as their leaves, stems, flowers, and fruit, as well as their genetic and evolutionary relationships. These characteristics are used to group plants into increasingly broader taxonomic categories, from species to genus, family, order, class, phylum, and kingdom.
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Which of the following things is not made of wither fermentation?
Cheese
Yogurt
Bread
Peanut butter
Chocolate
Answers
Answer:
peanut butter not very sure
4. What was Lamarck's theory of evolution?
Answers
Giving everything!!!!!!!!! Plzzzz help!!!!!!!!!!! ASAP!!
A commercial fish farm claims that each of its tanks used for growing fish is a “complete ecosystem that produces no biological waste.” Does this claim imply that the tanks contain which of the following?
A. decomposers
B. fish predators
C. at least four trophic levels
D. a diverse variety of species
Answers
Answer:
ff
Explanation:
ff
The claim that each of the fish farm tanks is a "complete ecosystem that produces no biological waste" does not imply that the tanks contain decomposers, fish predators, at least four trophic levels, or a diverse variety of species.
Why Decomposers are essential components?Decomposers are essential components of any ecosystem, as they break down dead organic matter and recycle nutrients back into the ecosystem.
The claim that the tanks produce no biological waste suggests that the waste products of the fish and other organisms are somehow being recycled within the tank, but it does not necessarily imply the presence of decomposers.
Fish predators are not necessary components of a fish farming system, as the purpose of the tanks is to raise fish rather than to provide a natural ecosystem.
Having at least four trophic levels and a diverse variety of species are both characteristics of a complex and diverse ecosystem, but they are not essential for a fish farming system to be successful.
Overall, the claim made by the fish farm is likely based on their use of technologies such as recirculating aquaculture systems, which aim to minimize or eliminate the waste produced by fish farming operations, rather than on the creation of a self-sustaining ecosystem.
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2 paragraph describing the carbon cycle
Answers
Answer:
The carbon cycle is a fundamental process that encompasses the movement and transformation of carbon throughout the Earth's systems. It involves a series of interconnected steps through which carbon is exchanged between the atmosphere, oceans, land, and living organisms. At the heart of this cycle is photosynthesis, where plants absorb carbon dioxide from the air, converting it into organic matter and releasing oxygen. This process sustains life on Earth and acts as a crucial carbon sink. Once carbon is incorporated into plants, it can be transferred through various pathways. Some carbon is consumed by animals when they feed on plants, enabling it to become part of their bodies. Over time, organic matter can undergo decomposition, releasing carbon back into the atmosphere as carbon dioxide through the process of respiration or through the activity of decomposers. Additionally, carbon can be stored in long-term reservoirs such as fossil fuels or locked away in the oceans as dissolved carbon. Through geological processes, carbon can be released from these reservoirs, contributing to the carbon cycle once again.
Human activities have significantly impacted the carbon cycle, primarily through the burning of fossil fuels and deforestation. These activities release large amounts of carbon dioxide into the atmosphere, disrupting the natural balance of the cycle and contributing to climate change. The carbon cycle serves as a reminder of the intricate interconnections within our planet's systems and highlights the importance of understanding and managing carbon flows to maintain a stable and sustainable environment for future generations.
Create a flow chart to represent
and describe the process of urine
formation in the kidneys
Answers
Start -> Filtration -> Reabsorption -> Secretion -> Concentration -> Urine
Description of the process:
1. Filtration: The process of urine formation begins with the filtration of blood in the glomerulus, a network of small blood vessels called capillaries. The glomerulus filters blood by forcing fluids and small molecules through the walls of the capillaries and into the Bowman's capsule.
2. Reabsorption: The filtered fluid then moves through the proximal tubule of the nephron, where essential substances such as glucose, amino acids, and salts are reabsorbed back into the bloodstream.
3. Secretion: In the next stage, the filtrate passes through the loop of Henle, where more water and electrolytes are reabsorbed. This is followed by the distal tubule where hydrogen ions, potassium ions, and some drugs are secreted into the filtrate.
4. Concentration: In the final stage, the filtrate reaches the collecting duct, where water is reabsorbed, and the urine is concentrated. The concentration of urine is controlled by the hormone ADH (antidiuretic hormone), which regulates the amount of water that is reabsorbed into the bloodstream.
5. Urine: Once the urine is formed, it is transported from the kidneys to the bladder, where it is stored until it is expelled from the body during urination.
End of the process.
Which statement describes the relative age of a fossil that has formed inside a layer of rock?(1 point) Responses The fossil is older than the layer of rock right below it. The fossil is older than the layer of rock right below it. The fossil is younger than the layer of rock right above it. The fossil is younger than the layer of rock right above it. The fossil is younger than the layer of rock it was formed in. The fossil is younger than the layer of rock it was formed in. The fossil is older than the layer of rock it was formed in.
Answers
In general, it is thought that fossils found in the lower strata of rock are older than those found in the upper layers.
What is a layer of rock?There are two methods that scientists employ to date rocks and fossils, according to their relative position younger rocks are placed on top of older rocks.
Relative age dating is used to identify whether a rock layer or the fossils contained within it is older or younger than another.
Therefore, because they reveal the relative ages of the rock layers in which they are found, index fossils are helpful.
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A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answers
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
what is the difference between cork formation and gum formation in the plants as an immune mechanism
Answers
Answer:
Cork formation is a type of secondary growth that occurs in the stems and roots of woody plants. Gum formation, on the other hand, is a type of defense mechanism that occurs in response to injury or infection.
Explanation:
ASAP HELP CER
What you know about DNA and protein CER.
- has to explain the structure and function of DNA and proteins.
Answers
Explanation:
DNA is the information molecule. It stores instructions for making other large molecules, called proteins. These instructions are stored inside each of your cells, distributed among 46 long structures called chromosomes. These chromosomes are made up of thousands of shorter segments of DNA, called genes.
name 5 ways of controlling the spread of Hiv Aids
Answers
Answer:
Hiv stands for the acronym HUMAN IMMUNO DEFICIENCY VIRUS while aids stand for ACQUIRED IMMUNO DEFICIENCY SYNDROME.
Explanation:
How to control HIV aids
1: Use sterilized needles
2: Don’t share needles
3: Consider intimate activities that don’t involve the exchange of bodily fluids
4: You can use strategies such as abstinence (not having sex), never sharing needles, and using condoms the right way every time you have sex. You may also be able to take advantage of HIV prevention medicines such as pre-exposure prophylaxis (PrEP) and post-exposure prophylaxis (PEP).
in which organ (crop or gizzard) did you find the contents to be most ground up and why?
Answers
The gizzard is the muscular organ located between the crop and the small intestine in birds. Its primary function is to mechanically grind and break down food, as birds do not have teeth to chew their food.
The gizzard accomplishes this through strong muscular contractions that crush and grind the food against small stones and grit that the bird has ingested.
Therefore, it is likely that the contents found in the gizzard would be more ground up compared to those found in the crop. The crop is a storage organ located at the base of the bird's neck that serves as a temporary holding place for food before it enters the digestive system. While the crop may soften and partially break down food through the secretion of digestive enzymes, it does not have the same mechanical grinding function as the gizzard.
In summary, the gizzard is the organ responsible for grinding and breaking down food in birds, while the crop primarily serves as a temporary storage organ. Therefore, the contents found in the gizzard are likely to be more ground up compared to those found in the crop.
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A butterfly, which has a centralized brain but not a spinal column, is classified as what type of animal?A cephalopod An arachnidAn invertebrateA vertebrate
Answers
Let's start out by defining what each of our answer choices are:
0. A cephalopod - cephalopods are usually any organism that falls under the molluscan class ,Cephalopoda,. Living organisms are usually marine animals such as squids and octopuses.
,1. An arachnid - arachnids fall under "invertebrates" and usually contain jointed legs as their telling physical feature. Living organisms in this class usually are spiders and scorpions.
,2. An invertebrate - invertebrates are organisms that do not have a vertebral column or a backbone for short. Classes that fall under being invertebrate are arthropods and mollusks.
,3. A vertebrate - vertebrates are the opposite of invertebrates; these organisms ,contain, a vertebral column. Examples of living organisms would be a human or an ape.
We are given that a butterfly has a centralized brain, but not a spinal column. That would mean that butterflies would not have a backbone, aka a vertebral column.
Therefore, butterflies will be classified as invertebrate organisms.
show a chart for the cross for one heterozygous guinea pig and a homozygous dominant guinea pig
Answers
In complete dominance, the dominant allele hides the expression of the recessive one when they are together in the same genotype. 1) a- 100% will have short hair. b) 0% long hair. 2) Both parents are heterozygous, Ss.
What is complete dominance?
Complete dominance is an inheritance pattern that occurs when the dominant allele completely masks the recessive allele.
The presence of at least one dominant allele in genotypes is enough to express the dominant pahenotype.
Homozygous dominant and heterozygous individuals express the dominant phenotype coded by the dominant alleleHomozygous recessive individuals express the recessive phenotype, coded by the recessive allele.In the exposed example,
Short hair is coded by the dominant allele SLong hair is coded by the recessive allele s1)
Cross 1: one heterozygous with a homozygous dominant
Parentals) Ss x SS
Gametes) S s S S
Punnett square) S s
S SS Ss
S SS Ss
F1) Genotype
50% of the offspring is expected to be homozygous dominant, SS50% of the offspring is expected to be heterozygous, SsPhenotype
100% of the offspring is expected to have short hair1) a- 100% of the progeny will have short hair
1) b- 0% of the progeny will have long hair
2)
Cross 2: between two short-haired individuals
F1) 25% long-haired individuals
If among the progeny both phenotypes are expressed, it means both parents carry the recessive allele in their genotypes, otherwise only the dominant phenotype would appear.
Parents) Ss x Ss
Gametes) S s S s
Punnett square) S s
S SS Ss
s Ss ss
F1) 75% of the progeny is expected to hace short hair (25% SS + 50% Ss)
25% of the progeny is expected to have long hair (25% ss)
2)a- Parents genotype:
mother Ss father SsYou will find the complete question in the attached files.
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How does a battery generate electrical energy?
Answers
Answer:
A battery is a device that stores chemical energy, and converts it to electricity. ... In an electrochemical cell, electrons are produced by a chemical reaction that happens at one electrode (more about electrodes below!) and then they flow over to the other electrode where they are used up.
Explanation:
You are able to extract mitochondria from the cell and remove the outer membrane. You want to show that the mitochondria can still produce ATP if placed in the right solution. The solution should be isotonic, but at what pH
Answers
Answer:
Low PH
Explanation:
The high external acid concentration causes an increase in H+ in the inter membrane space leading to increased ATP production by ATP synthetase.
Mitochondrial production of ATP requires a concentration gradient of H+, with a high concentration at the inter membrane space and a low concentration in the matrix. The inner membrane is impermeable to H+, but the outer membrane of the mitochondria will allow H+ to pass through. Thus, placing mitochondria in a low pH buffer produces a H+ gradient that can generate ATP through ATP synthetase.
what is a disadvantage of a male deer having large antlers?
Answers
Although this theory maybe true,it mean that females are always defenseless that male's are defenseless Once Their Antlers Have Shed
Most articles pass right through the atom, this means that most of the atom is
Answers
Most articles pass right through the atom, this means that most of the atom is an empty space.
What is an atom?An atom is described as a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
Protons and neutrons make up the core nucleus of an atom, which is encircled by an electron cloud. In relation to the size of the atom as a whole, the nucleus is exceedingly small.
As a result, the electrons surrounding the nucleus are the primary target of interactions when particles or even light pass through an atom. The majority of the atom's remaining space, which includes the nucleus, is vacant.
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why do the dissolved nutrients drop in the spring
Answers
Answer:
The dissolved nutrients drop in the spring due to the amount of light in the spring decreases.
Explanation:
... In the early summer water gets warm and the nutrients is removed. The phytoplankton are then brought to a moderate natural development
Which is the process used by the cell to rid itself of unwanted, large substances? passive transport
exocytosis
active transport
please help asap
endocytosis
Answers
The exocytosis mechanism is the process used by the cell to rid itself of unwanted, large substances (Option 2).
What is the exocytosis mechanism?The exocytosis mechanism is a cellular process by which the vesicles inside the cell form invaginations of the cell membrane to discharge byproducts outside the cell. This process (exocytosis mechanism) is fundamental to transporting bis substances and water to outside the cell.
Therefore, we can conclude that the exocytosis mechanism is used by cells to eliminate big byproducts which cannot be removed by other transport cell mechanisms such as diffusion.
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Guinea pigs can produce different coat colors, white, brown, and mixed white/brown (agouti). The allele B is codominant with allele W (white coat). Cross an agouti-colored Guinea pig with a brown Guinea pig. What are the odds of the offspring?
Answers
Answer:
Brown
Explanation:because the agouti itself is a mixture that remains of a pale brown color and the melanin content in the animals is in the darker colors so it is more likely that the brown color is predominant to the agouti due to the content of melanin that it
The descendants of a cross between an agouti heterozygous (AB) colored Guinea pig and a brown (BB) colored Guinea pig are half heterozygous agouti, half homozygous brown. The correct option is A.
What exactly is codominance?Codominance is a genetic effect that happens whenever the alleles are expressed in heterozygotes.
In this particular instance, allele B co-dominates with allele W, resulting in heterozygous (WB) colored Guinea pigs like one of the parents.
Thus, the correct option is A.
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The missing options of the question are:
A. 1/2 heterozygous brown, 1/2 homozygous agouti.B. 1/2 homozygous white, 1/2 heterozygous brown.C. 1/4 homozygous brown.D. 1/2 heterozygous agouti, 1/4 white.Placebos are sometimes used in research in order to demonstrate the effects of participant expectations or beliefs on the outcome of behavior true or false
Answers
Answer:
true
Explanation:
A new kind of tulip is produced that develops only purple or pink flowers. Assume that flower color is controlled by a single-gene locus and that the purple allele (C) is dominant to the pink allele (c). A random sample of 1000 tulips from a large cultivated field yields 847 purple flowers and 153 pink flowers. The proportion of all purple flowering plants that are heterozygotes is 467.
a. Determine the frequency of the purple and pink alleles in this field population.
b. Estimate the proportion of all purple flowering plants that are heterozygotes and homozygotes.
Answers
Answer:
Explanation:
the purple allele (C) is dominant to the pink allele (c).
The frequency of C represents p while that of c represent q. Using the formula p+q= 1
The proportion of pink flower is 153/1000 = 0.153. This is also the frequency of the genotype cc (q^2).
Thud to find q which is the frequency of the c allele,
q = √0.153
q = 0.3912
From the formula p +q = 1 we can find p p = 1 - 0.3912
p which is the frequency of the C allele
p = 0.6088.
B. the proportion of all purple flowering plants that are heterozygotes and homozygotes is 847 / 1000 = 0.847
How does energy move through photosynthesis?
Answers
Answer:
Energy from the sun is absorbed by the chloroplasts in the leaves of a plant. The light energy is converted into chemical energy as the chloroplasts use the light to power the production of glucose from carbon dioxide and water. The glucose is used by the plant to produce energy and build new cells, and any excess glucose is stored as starch. Oxygen is also released as a by-product of photosynthesis.
Answer:
Explanation:
certain organisms convert solar energy (sunlight) into chemical energy, which is then used to build carbohydrate molecules. The energy used to hold these molecules together is released when an organism breaks down food. Cells then use this energy to perform work, such as cellular respiration.
Where are the A, B and RH antigens located
Answers
Answer: The A, B, and Rh antigens are located on the surface of red blood cells.
Explanation: