Answers
Answer:
b
Explanation:
Trust me
Observations of plants and animals in many places by Darwin led to his theory of evolution. Hence, option B is correct.
What is the theory of evolution by Darwin?The theory of evolution by Darwin is the scientific explanation for how species on Earth have changed over time and how new species arise. The theory was first presented by Charles Darwin in his book "On the Origin of Species," published in 1859.
Darwin's theory proposes that all living things are related and have descended from a common ancestor. It suggests that species evolve through a process of natural selection, in which organisms that are better adapted to their environment are more likely to survive and reproduce, passing on their advantageous traits to their offspring.
Over time, these small changes accumulate, leading to the development of new species. Thus, option B is correct.
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Related Questions
How does propagation occur in DNA and RNA?
Answers
Answer:
Life on earth is very diverse, from single-celled protozoans to complex multicellular plants and animals. But at the molecular level, all life is fundamentally made up of the same building blocks – DNA and RNA. One of the primary differences between DNA and RNA is that DNA is double-stranded while RNA is single-stranded.
How does sexual reproduction increase the variance of traits in a population?
Answers
why RNA chain is always transcribed on 3' to 5' template strand ?
Answers
Explanation:
RNA growth is always in the 5′ → 3′ direction: in other words, nucleotides are always added at a 3′ growing tip, . Because of the ANTIPARALLEL nature of the nucleotide pairing, the fact that RNA is synthesized 5′ → 3′ means that the template strand must be oriented 3′ → 5′.
hope it helps you mark me brain list
How did Aristotle's method of thinking in science differ from Galileos method?
Answers
3. There are 525,960 light minutes in 1 light year. How many light years does it take light from the Sun to
travel to Earth?
Answers
Answer:
Light takes 499.0 seconds to travel from sun to earth.
Explanation:
Write a 3-8 sentence paragraph as to how Sea urchins use Natural selection. 20 points and will mark the brainliest!
Answers
Answer:
Through the process of natural selection, sea urchins have developed spines that serve as a defense mechanism against predators and a means of anchoring themselves in turbulent waters. This adaptation allows them to better survive in their environment, with individuals possessing longer or stronger spines being more likely to pass on their genes to the next generation. As a result, the population of sea urchins gradually becomes better adapted to their surroundings, demonstrating the power of natural selection in shaping the evolution of species.
Active transport move particles in and out of the cell_____
Answers
Answer:
against the concentration gradient
Explanation:
Problems With Overgrazing
Answers
Thinking about taxonomy, the basic unit of naming, that includes
members with the ability to reproduce with each other, is?
Answers
Answer:
species.
Explanation:
Taxonomy can be defined as the process of naming, classification and description of living organisms such as plants and animals. Thus, it is the biological classification of living organisms based on similarities or characteristics such as eyes, number of legs, etc.,
The eight (8) biological classification (taxonomy) used for grouping and organizing organisms are; kingdom, domain, phylum, family, order, class, genus and species.
In taxonomy, species refers to the basic unit of naming that includes members such as mammals and reptiles with the ability to reproduce with each other to birth new offsprings and exchange genetic informations. Some examples of species include Homosapiens, Vulpes, Elephas maximus, Pinus banksiana, Alces laces, Ursus americans, Canis lupus, etc.
In conclusion, taxonomy helps scientist to have good understanding and knowledge when studying various organisms.
Drag the tiles to the correct boxes to complete the pairs.
Frogs have developed some adaptations to survive in their environment. Match the adaptations to the benefits.
green body color for camouflage
permeable skin that allows them to breathe underwater
padded toes
front part of the tongue attached to the mouth
movement
arrowRight
protection from predators
arrowRight
maintain homeostasis
arrowRight
obtain food
arrowRight
Answers
Answer:
The answer is
Padded Toes for movement
Green skin to hide from predators
To maintain homeostasis they have permeable skin
To obtain food they have a long tongue to catch it.
Explanation:
Answer:
Explanation: Hope this helps! Your welcome.
How much time is 68% in 24 hours
Answers
Answer:
16 hours 19 minutes and 12 seconds
or 16.32 hours
Explanation:
24 * 0.68
Skin cells and ___ cells are examples of cells that can replace themselves.
options:
red blood
nerve
Answers
Answer:
red blood cells
Explanation:
hope this helps too :3
Was the membrane at a stable equilibrium before you pushed it? How could you tell?
Answers
Answer:
Well, first let's define the difference between stable and unstable equilibrium.
Stable: After a little perturbation, the equilibrium state is retaken.
Unstable: After a little perturbation, the state changes to one more stable.
An example of this is:
Imagine a pencil, when the pencil lays down in the table, it is in stable equilibrium because you can touch it and it will return to the same initial state.
Now suppose that the pencil is standing up (we can think this as a more energetic state). The pencil is in equilibrium, it does not move and there is no force acting on it.
Now you can touch it (a small perturbation) and the pencil will likely fall down, to the stable state of equilibrium.
That is the difference between stable and unstable (There is also an image below, where you can see it in a more physical way, where the vertical axis represents energy and the horizontal represents a given variable or set of variables).
Then, how to know if the membrane was at a stable equilibrium before you pushed it?
Did it return to the initial state? then yes, it was a stable equilibrium
Did It change to a less energetic state? Then no, it was in an unstable equilibrium.
Which type of cell have membrane bound organelles?
prokaryotes
Or
eukaryotes
Answers
Answer:
eukaryotes
Explanation:
Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes. However, unlike prokaryotic cells, eukaryotic cells have: a membrane-bound nucleus. numerous membrane-bound organelles (including the endoplasmic reticulum, Golgi apparatus, chloroplasts, and mitochondria)
Eukaryotic cell have membrane bound organelles. Thus, the correct option is eukaryotic cell.
What is eukaryotic cell?The eukaryotic cell is known as the fully developed and it contain membrane bound organelle. The multicellular organism are made up of the eukaryotic cell and they contain cell organelle it contain mitochondria, ribosomes, RNA, DNA, golgi appratus, and nucleus as well as other cell organelles.
Multicellular organisms are made up of eukaryotic cell and the eukaryotic cell is consist of different cell organelles to carry out different functions in the cell. The multicellular organisms perform different life process in different cells because they have specific cell for specific function.
Amoeba has known as an unicellular organism in which all the activities related to life carried out in a single cell. The example of multicellular organism is human beings and other animals as well plants are also came in the category of multicellular.
Therefore, Eukaryotic cell have membrane bound organelles. Thus, the correct option is eukaryotic cell.
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NEED ANSWER ASAP (95 points)
1.Give an example of one type of mutation, Give a Definition of it, and explain what is might do.
2.Give an example of how the environment can effect an organsism's genetics?
3.If a mutation happens in a somatic cell, will it be passed on to the next generation? Why or why not?
4.Explain the difference between a GENE and an ALLELE
5.What is the advantage of CROSSING OVER in Meiosis?
6.If the FREQUENCY of a trait is INCREASING in a population of animals......what might that mean?
7.Explain very briefly what causes Trisomy 21
8.Imagine a population of animals is separated by a natural event....and half of them a forced into a valley, and the other half are forced into the mountains. Imagine both populations survive. What type of changes might you notice a million years later between the 2 populations? Why is this?
9.What are 3 things you know about Genetic Variation now that you didn't know before this Unit?
Answers
1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.
1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.2 It can either increase me lan in or decrease it.
1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.2 It can either increase me lan in or decrease it.3. Yes every generation is different.
1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.2 It can either increase me lan in or decrease it.3. Yes every generation is different.4.An allee is A cell in our bodies which function blood cells. A gene is A trait from either a relative.
1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.2 It can either increase me lan in or decrease it.3. Yes every generation is different.4.An allee is A cell in our bodies which function blood cells. A gene is A trait from either a relative.5. Meiosis Gives us more oxygen to breath in our Booties ☺ and our main body Functions.
1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.2 It can either increase me lan in or decrease it.3. Yes every generation is different.4.An allee is A cell in our bodies which function blood cells. A gene is A trait from either a relative.5. Meiosis Gives us more oxygen to breath in our Booties ☺ and our main body Functions.6. Then that trait would most likely be passed on to the offspring/ Children.
1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.2 It can either increase me lan in or decrease it.3. Yes every generation is different.4.An allee is A cell in our bodies which function blood cells. A gene is A trait from either a relative.5. Meiosis Gives us more oxygen to breath in our Booties ☺ and our main body Functions.6. Then that trait would most likely be passed on to the offspring/ Children.7. the most common form of Down syndrome, caused by an extra copy of chromosome number 21.
1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.2 It can either increase me lan in or decrease it.3. Yes every generation is different.4.An allee is A cell in our bodies which function blood cells. A gene is A trait from either a relative.5. Meiosis Gives us more oxygen to breath in our Booties ☺ and our main body Functions.6. Then that trait would most likely be passed on to the offspring/ Children.7. the most common form of Down syndrome, caused by an extra copy of chromosome number 21.8. Both will collapse and collide together.
1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.2 It can either increase me lan in or decrease it.3. Yes every generation is different.4.An allee is A cell in our bodies which function blood cells. A gene is A trait from either a relative.5. Meiosis Gives us more oxygen to breath in our Booties ☺ and our main body Functions.6. Then that trait would most likely be passed on to the offspring/ Children.7. the most common form of Down syndrome, caused by an extra copy of chromosome number 21.8. Both will collapse and collide together.9. Genetic Variation The process of a Trait getting passed down in various ways.
Explanation:
God Bless You!☺An organism's niche is different from its habitat because???
a. The niche does not include the place where the organism lives.
b. the niche includes all the conditions under which the organism lives.
c. the niche includes only abiotic factors.
d. the niche includes only biotic factors.
Answers
Answer:
B. The niche includes all the conditions under which the organism lives.
Explanation:
A habitat is the place where an organism lives while a niche is that organism's role within that environment. Habitat focuses on how the environment impacts the organism while niche focuses on how the organism impacts the environment.
In one species of bird, there are three varieties of feather color. What is this an example of?
ecosystem diversity
species diversity
genetic diversity
color diversity
Answers
Answer:
genetic diversity
Explanation:
Genetics have many diversities
Answer: C. genetic diversity
Explanation: TRUST ME!!! Answer is correct on Edge!!! :)
Would you expect an area with a dry hot climate to have more or fever ecological niches than an area with a humid rainy climate? Explain your answer
Answers
There would be more biological niches in a region with a variety of microclimates, enabling a greater range of creatures to find acceptable habitats. Humid heat is more dangerous than dry heat.
How is the microclimate impacted by temperature?The wind, temperature, relative humidity, precipitation, and atmospheric pressure all have an impact on the weather, which in turn has an impact on the microclimate. The relationship between wind and temperature is obvious: in areas with low winds, it is colder, while in areas with stronger winds, it is warmer.
How does the changing climate impact arid regions?How drought is caused by climate change: Evaporation is accelerated by warmer temperatures, which decreases surface water and dries out soils and vegetation. Because of this, dry spells last longer than they would in cooler conditions. The timing of when water is available is also changing due to climate change.
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NASA has been scanning neighboring planets for signs of life, but there is always the possibility that life on other planets could be based on an element other than carbon. Based on your understanding of carbon’s properties, what qualities should NASA be looking for in other elements that might replace carbon on an alien planet?
Answers
NASA looking for life in other planet, the element might replace carbon is silicon.
What are the similarities between carbon and silicon ?Earth is occupied by a large proportion of two most significant nonmetallic substances such as silicon and carbon.
Silicon is only a little bit more metallic than carbon as it easily loses its electrons.
The valency of both atoms are 4 and have same density.
Carbon is the basic element of life, while silicon is a basic element of the machines, use in making semiconductors
Carbon forms methane, propane, butane, benzene and carbon dioxide
Similarly silicon forms compounds silane, disilicon hexahydride, silicon tetrafluoride and silicon tetrachloride.
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explain two situations on a pedigree that would allow you to determine the genotype of an individual with the dominant phenotype
Answers
1) If the individual with the dominant phenotype has a parent with the recessive phenotype, the genotype of the individual is heterozygous (Aa).
2) If the individual with the dominant phenotype has offspring with the recessive phenotype, the individual must be heterozygous (Aa).
The two situations on a pedigree that would allow you to determine the genotype of an individual with the dominant phenotype.
Situation 1: Identify the individual with the dominant phenotype (let's call them Individual A).Look for the parents of Individual A.
If one of the parents has the recessive phenotype (aa) and the other parent has the dominant phenotype (AA or Aa), then Individual A must be heterozygous (Aa). This is because the dominant phenotype is only expressed when at least one dominant allele is present.Situation 2: Identify the individual with the dominant phenotype (Individual B).
Observe the offspring of Individual B.
If Individual B has offspring with the recessive phenotype (aa), it means that Individual B must be heterozygous (Aa). This is because to have offspring with the recessive phenotype, both parents must contribute a recessive allele.
By analyzing the presence of the recessive phenotype in the parents or offspring of an individual with the dominant phenotype, we can determine their genotype as heterozygous (Aa).
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Where are the Galápagos Islands located?
Answers
Answer:
Pacific Ocean
The Galapagos Islands are located 1000 km off Ecuador's coast in the Pacific Ocean. The Galapagos archipelago consists of 13 major islands, 6 smaller islands and many islets.
Explanation:
What are good reasons for using a secondary conjugated antibody over a primary conjugated antibody in an immunoassay
Answers
Answer:
Because in immunoassays, secondary antibodies are used to bind the primary antibody to assist in detection, sorting and purification of target antigens
Explanation:
Secondary antibodies are commonly used for the indirect detection of a target to which a specific primary antibody is first bound. It must be unique in term of exhibiting high specificity and sensitivity to both the antibody species as well as the isotype of the primary antibody being used. High quality secondary antibodies are paramount in achieving meaningful results
More than 200 different types of cells exist in the human body. Why do you think these cells are important for
various body functions? Explain your response.
Answers
Answer:
because without a particular cell u can't b sure that you're fully birthed or healthy you can't know what they perform but it deals with your ideology on the way you relatively understand the way you feel.
explanation: cell is the basic unit of life
What role does coral play in the ecosystem?
Answers
Hope this helps !
According to Pi, when have successful zookeepers created a healthy environment for the animals?
answer choices
O When the animals eat well.
O When the animals reproduce.
O When the animals get along with humans.
O When the animals don't try to get out.
Answers
According to Pi, successful zookeepers have created a healthy environment for the animals when the animals eat well, reproduce, get along with humans, and don't try to get out. the correct option is when the animals eat well.
According to Piaget, successful zookeepers have created a healthy environment for the animals when the animals eat well. As per the cognitive theory, all aspects of cognitive development involve the interaction between children and their surrounding environment. Piaget believed that individuals learn new things by constantly adapting to the surrounding environment. Piaget argued that there are four distinct stages of cognitive development.
He named them: the sensorimotor stage, the preoperational stage, the concrete operational stage, and the formal operational stage. Each of the four cognitive stages represents a unique set of cognitive abilities that individuals attain from birth through adulthood. During each stage, Piaget asserted that individuals learn by assimilating new information into their existing schema and by accommodating their existing schema to new experiences.
Hence, the correct option is when the animals eat well.
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Fats, sugars, and proteins are important food molecules. Which statement about these types of molecules is true?
Answers
The statement "There are all macronutrients" is true about these types of molecules
What are macronutrients?Macronutrients, essential components required by the body in substantial quantities, furnish energy, foster tissue growth and mending, and govern physiological processes. The trio of primary macronutrients encompasses carbohydrates, protein, and fat.
The precise magnitude of macronutrient requisites relies on factors such as age, gender, physical exertion, and overall well-being of an individual.
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Complete question:
Fats, sugars, and proteins are important food molecules. Which statement about these types of molecules is true?
a. There are all macronutrients
b. Sugar makes one fat
c. Sugar is the only thing that makes you fat
Calculate the population density of 900 sheep in a plot of land that is 3.00 km by 2.00km
Answers
The population density of the 900 sheep in the given plot of land is 150 sheep per square kilometer.
The population density of 900 sheep in a plot of land that is 3.00 km by 2.00 km can be calculated by dividing the total number of sheep by the area of the land.
First, we need to calculate the area of the land. The area can be found by multiplying the length and width of the plot of land:
Area = length × width = 3.00 km × 2.00 km = 6.00 km²
Next, we divide the total number of sheep by the area to calculate the population density:
Population Density = Total number of sheep / Area = 900 sheep / 6.00 km²
Performing the calculation, we find:
Population Density = 150 sheep/km²
Therefore, the population density of the 900 sheep in the given plot of land is 150 sheep per square kilometer.
Population density is a measure of the number of individuals (in this case, sheep) per unit area. By dividing the total number of sheep by the area of the land, we obtain the population density in terms of sheep per square kilometer. In this case, the population density is 150 sheep/km², indicating that there are, on average, 150 sheep within each square kilometer of the land.
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Is the teacher wrong or am I missing something? I got 10 minutes to finish please help.
Answers
Answer:
A, B, C, and D are correct. :)
1. The diagram to the right shows two elk from the same species. A mutation created a new allele that is results in longer antlers. The frequency of this allele
will increase in the population if it allows the elk to do which of the following?
A be more visible to humans
B knock down more dead limbs
C attract more predators
D reproduce more offspring
Answers
Answer:
D
Explanation:
If it produces more offspring's the mutated allele will have more of its species in the world.
Hopes this helps.
Humans process some foods by adding chemicals to reduce harmful bacterial growth. This allows foods to be edible for longer periods of time. Which best describes the advantages of food processing? control of density-independent limiting factors such as disease spread control of density-dependent limiting factors such as disease spread control of density-dependent limiting factors such as predation control of density-independent limiting factors such as predation
Answers
The statement that best described the advantage of food processing is that it controls density-dependent limiting factors such as the spread of diseases.
Processing foods through the addition of chemicals have the ability to kill off pathogens in foods, thus making the foods safer for consumption. The consumption of pathogen-free foods means that pathogenic diseases will be reduced to a minimum in a population.
The spread of diseases is a density-dependent limiting factor of a population. Density-dependent limiting factors have either positive or negative correlations with population growth. Other density-dependent limiting factors include competition and predation.
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Answer:b
Explanation: