explain how the following helps a plant to survive:
(a) fast growth
(b) a deep, wide root system
(c) brightly coloured flowers
Bob studies for a test and Jackie does not study. After the test, they compare their scores.
B : Independent Variable:
A : Dependent Variable:
Answer:
I: studying for a test
D: the score on the test
Explanation:
The independent variable would be studying for the test because it could change/it is controlled. The score on the test depends on how much they studying (i.e. dependent variable depends on the independent variable.)
How are fossil fuels formed from geologic processes?
Fossil fuels are formed when mineral deposits are recrystallized due to high temperature and pressure over time.
Fossil fuels are formed when biomass is covered by sediment, and the biomass experiences high temperature and pressure over time.
Fossil fuels are formed when tectonic plates slide past one another, creating small
Fossil fuels are formed when tectonic plates collide together, forcing rock fragments deep underground.
Answer:
FOSSIL FUELS FORM. After millions of years underground, the compounds that make up plankton and plants turn into fossil fuels. Plankton decomposes into natural gas and oil, while plants become coal. Today, humans extract the
Explanation:
1) What type of reproduction is illustrated above?
A) sexual
B) asexual
C) conjugation
D) binary fission
Put an X next to all the statements that can be considered signs of global warming.
A. The concentration of CO2 is at 400 parts per million (ppm) today. It has never been more than 300 ppm in the past 800,000 years.
B. Global sea level rose about 6.7 in. in the past century. The rate in the past decade, however, is nearly double that of the past century.
C. Since 1880, the 10 hottest years on record have been in the past 17 years.
D. Antarctica lost about 36 cubic miles of ice between 2002 and 2005.
E. Since the beginning of the Industrial Revolution in the 1880s, the acidity of surface ocean waters has increased by about 30 percent.
F. The area covered by sea ice in the Arctic at the end of summer has shrunk by about 40% since 1979.
G. Currently, 37 glaciers in Glacier National Park are retreating.
H. Since 1990, data show that birds are beginning their northern migration earlier and earlier each year—particularly birds that migrate over shorter distances. They are having trouble finding their normal food sources at their destination.
I. The amount of heavy downpours has increased 74% in New England from 1958
to 2011.
Answer:
A. X
B. X
C. X
D. X
E. X
F. X
G. X
H. X
I. X
All of these statements can be considered signs of global warming. They provide evidence of changes in the Earth's climate that are consistent with the predictions of climate models and the understanding of the underlying physical processes.
What are the 3 products of alcoholic fermentation?
How can photosynthesis be related to cellular respiration?
They both have the same reactants (need the same things).
What's produced (made) by one is needed (the reactants) for the other.
They both produce the same products.
Answer:
B
Explanation:
What's produced (made) by one is needed (the reactants) for the other.
CO2 and H2O are produced in cellular respiration, CO2 and H2O are used in photosynthesis.
Every ecosystem has its own set of environmental stresses. What nonliving factors would cause stress to organisms in a forest ecosystem? What about a desert ecosystem?
20 PTS Animals are connected within an ecosystem. For example, plants are food for other animals. Those animals become food for other, larger animals. This animal connection is known as ______.
the food web
the air they breathe
the rate at which they use energy
the predators present
Answer:
A. The food web
Explanation:
Soon after blood is filtered through the nephrons, is released from the body.
The correct completion of the sentence is: "Soon after blood is filtered through the nephrons, urine is released from the body."
How excretory system works?The excretory system is responsible for the elimination of waste products from the body and the maintenance of proper fluid and electrolyte balance. It consists of several organs and structures, including the kidneys, ureters, bladder, and urethra.
The process begins in the kidneys, which are bean-shaped organs located in the back of the abdomen. Blood enters the kidneys through the renal arteries, and within each kidney, it passes through tiny filtering units called nephrons. Nephrons filter waste products, excess water, and electrolytes from the blood, producing a fluid called filtrate.
As the filtrate passes through the nephrons, essential substances such as glucose, amino acids, and certain ions are reabsorbed back into the bloodstream. This reabsorption occurs in specialized tubules within the nephrons.
For mored details regarding the excretory system, visit:
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where did the name '' hamster'' probably come from?
A. The animal was discovered by a person named Hamm.
B. People thought the animals looked like little hams.
C. It comes from a word meaning ''tiny''.
D. It comes from a word meaning ''to hoard''.
Answer:European Hamster
Smallest breed
Roborovski hamster
Stout-bodied rodents,
with tails shorter than body length, and have small, furry ears, short, stocky legs, and wide feet.
en.wikipedia.org
Popular breed
Golden hamster
They carry food in their spacious cheek pouches to their underground storage chambers. When full, the cheeks can make their heads double, or even triple in size.
en.wikipedia.org
Explanation:
Which is an example of a trace fossil?
A: animal burrow
B: skin of organism
C: preserved bone
D: petrified wood
Answer:
A: Animal burrow
Explanation:
Edge 2021
Trace fossils can be defined as the ones that provide geological records of the behavior and activities of past life.
These are also known as Ichnofossils.Trace fossils include borings, track and trails, burrowings, and coprolites and gastrolithes.Among the given examples, the evidence of past life is provided by the burrows of animals.Hence, among the given examples, trace evidence is an animal burrow. Therefore, the correct answer is option a.
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Look at the diagram of the rock cycle below.
Which part of the cycle is missing?
A.
sedimentation
B.
melting
C.
crystallization
D.
mineral integration
From the diagram of the rock cycle the missing part is ( B ) ; Melting
Magma is a hot liquid/semi-liquid rock that is usually formed under the earth due to high pressure and temperature present in the inner core of the earth. magma is obtained by the melting down of existing rocks ( Igneous, sedimentary and metamorphic rocks ) under high pressure and temperature in the earths core.
Magma is released to the earth surfaces during volcanoes therefore the missing term in the rock cycle is melting
Hence we can conclude that from the diagram of the rock cycle the missing part is Melting.
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ok so i did some of it but can someone tell me if its right or not
thanks :))
Answer: so this is not an exact answer but i know how you can figure out if it is correct without technically "cheating" on it.
Explanation: so for the first one, you can search "Charles Darwin" or "what was Charles Darwin in the 1800's?" You can also pretty much just search key words in the sentence and figure out the answer.
Hope this Helps ;)
Nice work but 87% correct
Answer the following questions in complete sentences in the space provided:
1. Why does cell division take place in single-celled organisms?
2. What occurs in a cell when it is not undergoing cell division?
3. How do chromosomes change before cell division?
4. What is mitosis?
5. Why doesn’t mitosis occur in prokaryotes?
6. What would happen if DNA did not duplicate during interphase?
7. What is cytokinesis and when does it happen?
8. During what phase of mitosis do the chromosomes line up?
9. When do the chromosomes condense and become visible under a microscope? 10. What happens to the chromosomes during anaphase?
11. Sometimes a cell inaccurately duplicated its DNA, and the resulting cells are not identical. What effects might such a change have on the organism?
Answer:
1.All multicellular organisms use cell division for growth and the maintenance and repair of cells and tissues. Cell division is tightly regulated because the occasional failure of regulation can have life-threatening consequences. Single-celled organisms use cell division as their method of reproduction.
2.What happens to cells that "decide" not to divide? If the decision is to not divide, the cell goes into a quiescent, or nondividing state, called G0 (G zero).
3.Prophase is the first phase of mitosis. During this phase, the chromosomes inside the cell's nucleus condense and form tight structures. In fact, the chromosomes become so dense that they appear as curvy, dark lines when viewed under a microscope (Figure 1).
4.Mitosis is a process where a single cell divides into two identical daughter cells (cell division).
5.In bacterial cells, the genome consists of a single, circular DNA chromosome; therefore, the process of cell division is simplified. Mitosis is unnecessary because there is no nucleus or multiple chromosomes. This type of cell division is called binary fission.
6.If a cell has not properly copied its chromosomes or there is damage to the DNA, the CDK will not activate the S phase cyclin and the cell will not progress to the G2 phase. The cell will remain in S phase until the chromosomes are properly copied, or the cell will undergo programmed cell death.
7.Cytokinesisis the part of the cell division process during which the cytoplasm of a single eukaryotic cell divides into two daughter cells. Cytoplasmic division begins during or after the late stages of nuclear division in mitosis and meiosis.
8.Metaphase. Chromosomes line up at the metaphase plate, under tension from the mitotic spindle. The two sister chromatids of each chromosome are captured by microtubules from opposite spindle poles. In metaphase, the spindle has captured all the chromosomes and lined them up at the middle of the cell, ready to divide.
9.During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses. The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes.
11.When Replication Errors Become Mutations. Incorrectly paired nucleotides that still remain following mismatch repair become permanent mutations after the next cell division. This is because once such mistakes are established, the cell no longer recognizes them as errors.
The heart contracts twice for every heartbeat one contraction is the atrial contraction while the other is the venture true or false
Answer:
True. The heart contracts twice per heartbeat. One contraction is the ventricular and the other one is the artrial.
Vestigial Structures are proof of...
1)Evolution
2)Acquired traits
3) Inherited traits
4)Organism choice
This weather map showed the temperature (in °F) in the United States on a winter day. It also includes two pressure systems, labeled "H" and "L." Explain where weather fronts are most likely located, and predict the weather at each pressure system.
Read the assignment carefully and make sure you answer each part of the question or questions.
After you've written your response, go back and read it again to make sure your thoughts are clear.
Please someone answer I need help.
Answer: The Low Pressure systems will usually be found more North where it gets verycold but can really happen anywhere, and High pressure systems are usually found in the Southwest during winter.
Explanation:
High Pressure:A high pressure system has higher pressure at its center than the areas around it. Winds blow away from high pressure. Swirling in the opposite direction from a low pressure system, the winds of a high pressure system rotate clockwise north of the equator and counterclockwise south of the equator. This is called anticyclonic flow. Air from higher in the atmosphere sinks down to fill the space left as air is blown outward. On a weather map, you may notice a blue H, denoting the location of a high pressure system.
Low Pressure:
A low pressure system has lower pressure at its center than the areas around it. Winds blow towards the low pressure, and the air rises in the atmosphere where they meet. As the air rises, the water vapor within it condenses, forming clouds and often precipitation. Because of Earth’s spin and the Coriolis effect, winds of a low pressure system swirl counterclockwise north of the equator and clockwise south of the equator. This is called cyclonic flow. On weather maps, a low pressure system is labeled with red L.
How did the Industrial Revolution contribute to global climate change?
A. It led to an increased use of alternative fuels other than fossil fuels.
B. It led to an increased use of coal, oil, and other fossil fuels.
C. It led to the release of chemicals that destroyed the ozone layer.
D. It led to the development of nonrenewable sources of energy. (I think it's B. Please correct me if I'm wrong.)
Answer: You're right its b.
Explanation:
Human activity has rapidly increased the emission of greenhouse gases to the atmosphere. Since the start of the Industrial Revolution, in about 1750, human activities such as burning fossil fuels, including coal and oil, have increased greenhouse gas concentrations in our atmosphere.
can someone help me
Match the following vocabulary words with the correct definition.
1 .
phenotype
genes present in a specific trait
2 .
genotype
expression of a trait, or what the trait looks like
3 .
dominant
gene or trait that always expresses itself
4 .
homozygous
gene or trait that is masked when a dominant gene is present
5 .
recessive
pair of genes for a specific trait which are different
6 .
heterozygous
pair of genes for a specific trait which are the same
Answer:
1) Phenotype (Expression of a trait, or what the trait looks like)
2) Genotype (Genes present in a specific trait)
3)Dominant (Gene or trait that always expresses itself)
4)Homozygous (Pair of genes for a specific trait which are the same)
5)Recessive (Gene or trait that is masked when a dominant gene is present)
6)Heterozygous (Pair of genes for a specific trait which are different)
Explanation:
I hope this helps!!!
Which of the following best describes how an observation of the fossil record supports the theory of evolution?
OPTIONS
Hard parts of animals, such as bone and teeth, are much more likely to become fossilized than other parts made of soft tissue.
The fossils found in rock layers of different ages are related to, but different from, fossils found in rock layers above and below.
The fossil record has many more examples of organisms that lived in water where their remains were more likely to be buried quickly.
Close examination of fossils can reveal details and the diet, environment, and even behaviors of the organisms the fossils represent.
Answer:
The fossils found in rock layers of different ages are related to, but different from, fossils found in rock layers above and below.
Explanation:
This answer gives the best answer. Remember: simple life forms gradually evolved into more complex ones.
What would the seasons on Earth be like if its axis was tilted like Uranus, perpendicular to its orbit? What would the climate at your location be like compared to how it's now?
PLZ Help!! I will give you a brainliest!
Answer:
srry i dont know i wanted points so i can ask my question but good luck
Explanation:
please help me!! slides due tomorrow!!!
Answer:
that b one is nucleus dont know about the a one
Infectious Disease Investigation
The students are to investigate an infectious disease.
They will choose a specific infectious disease, such as the flu, common cold, or
COVID-19, and research its causes, symptoms, and preventive measures.
Students are to create informative posters or presentations about the disease,
including its transmission methods and ways to protect oneself from infection.
They will explain the importance of personal hygiene and vaccination in preventing
the spread of infectious diseases.
Following the summer vacation, the students will be given an opportunity to present
their findings to the class or organize an "Infectious Disease Awareness Campaign"
where they can share their posters or presentations with their peers.
Answer:
The common cold is an illness affecting your nose and throat. Most often, it's harmless, but it might not feel that way. Germs called viruses cause a common cold.
Often, adults may have two or three colds each year. Infants and young children may have colds more often
A student is studying a gray pine (conifer/gymnosperms), an apple tree and an avocado tree. After conducting research about them she discovers some similarities and differences between them. What are some of the differences and similarities she probably discovered? (Hints: think about how they reproduce)
this is a practice I just need a few sentences for examples
1. Based on what you have learned, what kinds of living and nonliving things do you think a marine biologist studies? What are some questions that biologists might ask about the living things they study?
Make observations about the place where the scientist is and use what you already know about biology to answer the question. (5 points)
2. What are some questions that biologists might ask about the living things they study?
Think about what the living things need and do. (5 points)
3. Describe two types of living things that biologists could study.
Think about types of living things that are not in the ocean — what categories of living things are on land? (5 points)
4. Pick one type of biologist, besides an ocean biologist, and describe what he or she studies. List three questions that biologist might ask about what he or she is studying. (5 points)
Answer:
1) creatures and ecosystems in the ocean environments. the interactions of marine plants and animals with coastal areas and the atmosphere.
2) how a single tiny cell becomes a tree or a dog, how the human mind works, or how the different forms of life in a forest interact.
3) humans, animals, plants, and bacteria
4) Archeologist
how old is this fossil?
what is the condition of this fossil?
was this fossil a land or water fossil?
Explanation:
I found it by looking and researching
Is this the chemical equation for photosynthesis? 6CO2 + 6H2O → C6H12O6 + 6O2
True
False
Solve for brainliest + thank + 5 star
Which statement correctly describes the interaction between the organisms shown in the food chain?
kelp ---> sea urchins ---> sea otters
A.
Sea otters and sea urchins have a predator–prey relationship.
B.
Kelp and sea otters have a predator–prey relationship.
C.
Sea otters and sea urchins have a competitive relationship.
D.
Kelp and sea urchins have a competitive relationship.
======================================================================
Which of the following explains one of the ways plants and animals depend on each other?
A.
Animals release carbon dioxide when they breathe, which plants take in to help make food.
B.
Animals release water vapor when they breathe, which plants take in through their leaves.
C.
Animals make minerals, which plants take in through their roots and pass up to their stems.
D.
Animals make their own food, which plants take in through their roots and pass to their leaves.
======================================================================
Which statement describes the BEST example of animals avoiding competition?
A.
A family of deer leave a crowded area of forest.
B.
Cheetahs and lions feed on the same prey.
C.
A bee pollinates a flower.
D.
A bird finds a spot in a tree to put a nest.
=======================================================================
The food chain represents a what-eats-what relationship that transfers energy from one organism to another.
Sun → flower → rabbit → [ ? ] → owl
What type of animal is most likely to be missing from the food chain?
A.
herbivore
B.
decomposer
C.
carnivore
D.
producer
Answer:
answer to the first question is A, to the second question is also A, the answer to #3 is D, & #4 is D carnivore
Answer/Explanation:
kelp ---> sea urchins ---> sea otters
A.Sea otters and sea urchins have a predator–prey relationship.
B.Kelp and sea otters have a predator–prey relationship.
C.Sea otters and sea urchins have a competitive relationship.
D.Kelp and sea urchins have a competitive relationship.
Answer: A.Sea otters and sea urchins have a predator–prey relationship.
-------------------------------------------------------------------------------------------------------------
Which of the following explains one of the ways plants and animals depend on each other?
A.Animals release carbon dioxide when they breathe, which plants take in to help make food.
B.Animals release water vapor when they breathe, which plants take in through their leaves.
C.Animals make minerals, which plants take in through their roots and pass up to their stems.
D.Animals make their own food, which plants take in through their roots and pass to their leaves.
Answer:
A.Animals release carbon dioxide when they breathe, which plants take in to help make food.
-------------------------------------------------------------------------------------------------------------
Which statement describes the BEST example of animals avoiding competition?
A.A family of deer leave a crowded area of forest.
B.Cheetahs and lions feed on the same prey.
C.A bee pollinates a flower.
D.A bird finds a spot in a tree to put a nest.
Answer: A.A family of deer leave a crowded area of forest.
-------------------------------------------------------------------------------------------------------------
The food chain represents a what-eats-what relationship that transfers energy from one organism to another.
Sun → flower → rabbit → [ ? ] → owl
What type of animal is most likely to be missing from the food chain?
A.herbivore
B. decomposer
C. carnivore
D. producer
Answer: Carnivore
-------------------------------------------------------------------------------------------------------------
~lenvy~
Why do you think the Arecibo message and the beacon in the Galaxy were broadcast in binary code?
Answer:
Hi!
The Arecibo message and the beacon in the galaxy were broadcast in binary code because binary is a universal language that can be easily understood by any intelligent beings, regardless of their language or culture. Binary code consists of only two symbols, 0 and 1, which can be used to represent any information, including letters, numbers, and instructions. This makes binary an ideal choice for transmitting messages over vast distances, as it is less prone to errors and can be decoded with a high degree of accuracy.
Seed Germination Investigation
The students are to investigate the process of seed germination during their summer
vacation.
They will select different types of seeds, such as beans, peas, or sunflower seeds.
Encourage students to set up a germination experiment by placing the seeds in
different conditions, such as light vs. dark, or wet vs. dry. Moreover, they need to
pot the same seed in more than one pots.
They should observe and document the changes that occur over time, including the
emergence of roots and shoots.
Answer:
Okay...In this case I suggest you use corn seed or beans seed
Explanation:
It should take about 6 weeks to see the Germination, until then continue watering it and giving it sunlight
The seed germination investigation during the students' summer vacation involves selecting various seeds (e.g., beans, peas, sunflower) and setting up an experiment. They will place the seeds in different conditions, like light vs. dark or wet vs. dry, and pot the same seed in multiple pots. Throughout the investigation, the students are expected to carefully observe and document the changes that take place over time, including the growth of roots and shoots. This hands-on approach allows them to gain practical knowledge of seed germination and develop essential scientific skills in observation, data collection, and documentation.