how do mutations lead to variations?​

Answers

Answer 1
A mutation is a change in a genetic sequence. Mutations include changes as small as the substitution of a single DNA building block, or nucleotide base, with another nucleotide base. ... Mutations can introduce new alleles into a population of organisms and increase the population's genetic variation.
Answer 2

Answer:

by producing changes in the genetic code

Explanation:

PLATO


Related Questions

If a decision was made to increase the production of biofuel, which would be an example of a negative trade-off based on this decision?
a. The decline in the dependency on oil
b. Reduced dependency of foreign energy
c. Rising consumer food prices
d. Increase revenue for farmers

Answers

Answer:

C: Rising cunsumer food prices

Name two traits that the most recent common ancestor of a whale and a human probably had.

Answers

Answer:

Their ancestor is most likely an ancient artiodactyl, i.e. a four-legged, even-toed hoofed ... However, whales, like humans, are mammals.

Explanation:

hope it help u

Some structures in the eye are listed. 1 cornea 2 iris 3 lens 4 retina Which structures contain light receptors?

Answers

I believe it is the retina

Two nucleotide sequences found in two different species are almost exactly the same. What does this suggest about these two species?

A.They contain exactly identical DNA
B.They may have common ancestor
C.They are evolving into same species
D.They have the same number of mutations

Answers

Answer:

B.They may have common ancestor

B! Hope this helps you!

Colder climates promote higher biodiversity because they are usually larger in size. This provides space for more organisms.

Answers

Answer:

False  

Explanation:

The relationship between climate and biodiversity can be defined as follow: warmer climates are generally associated with higher biodiversity because these conditions promote the life of primary producers such as those organisms that produce organic compounds using simple substances and energy from light. Primary producers form the basis of the food chain, thereby their presence is fundamental to generate sustainable high biodiversity environments. For example, warmer climates such as tropical ecosystems promote plants (i.e., primary producers) to grow year-round, thereby supporting more organisms (i.e., species richness) that rely on plants.

Which statement describes an important role of carbon dioxide in Earth's atmosphere. A. Animals breathe carbon dioxide. B.. Plants use carbon dioxide to make food. C. Carbon dioxide helps animals make proteins. D Carbon dioxide forms clouds that produce rain. and te Save and Fyit​

Answers

Answer:

option B

Explanation:

plants use carbon dioxide to make food through photosynthesis

Answer: The answer is:  B. Plants use carbon dioxide to make food.

Explanation: I have my ways :>

Have a great day!

-Sunny

Compare and Contrast How are predation,
parasitism, and herbivory similar? How are they
different?

Answers

Predation, parasitism, and herbivory are similar in that all of them produce harm to the other organism while the other organism benefits. Difference between them is that predation capture and consume their prey, in parasitism, the parasite lodge and lives inside the host while in herbivory, they form adaptations for them to recover.

Herbivory, parasitism, and predation have one thing in common: they all cause harm to the other creature while giving the other organism advantages

How are predation, parasitism, and herbivory similar?

Herbivory, parasitism, and predation have one thing in common: they all cause harm to the other creature while giving the other organism advantages. The difference between them is that predators capture and eat their prey, but parasites lodge inside their hosts and dwell there, while in herbivores, adaptations are made to help the prey survive.

The difference between them is that predators capture and eat their prey, but parasites lodge inside their hosts and dwell there, while in herbivores, adaptations are made to help the prey survive.

In terms of the signs of the interaction coefficients between the two populations, parasitism and predation are similar, but parasitism differs from predation in that members of the affected species suffer harm.

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An oak tree falls in a forest. It kills some ants and stops grass from growing
below it. What type of disturbance is this?
O A. Secondary
O B. Primary
O C. Cyclical
O D. Small

Answers

Answer:

This is O D. Small type of disturbance.

Explanation:

Small-scale biological disturbance.

Answer:

O D. small

Explanation:

In ecology a disturbance is an event that causes a change in the environment. There are small-scale disturbances and high-magnitude disturbances. Small-scale disturbances are typically driven by biological processes -for example the fall of a tree- while high magnitude disturbances are typically driven by physical processes -for example, storms-. Small-scale disturbances as single-tree blowdowns are very important  to create and maintain diversity and heterogeneity in the forest.

Hope this helps! can i get brainlest please Thanks!

If 15% of a DNA sample is made up of thymine, T,what percentage of the sample is made up of cytosine, C?
A)15%
B)35%
C)70%
D)85%

Answers

If thymine makes up 15 percent of the bases in a certain DNA sample, what percentage of bases must be cytosine? If the DNA is double stranded, A = T and G = C. If T = 15%, then C = 35%.

Ecosystem ecology refers to how ______ and ________ come into an environment and move around.

Answers

1. biotic

2.Natural environment

Ecosystem ecology refers to how energy and nutrients come into an environment and move around.

What is ecosystem?

Ecosystem ecology is concerned with the interactions and movements of energy and nutrients within an ecosystem, which are critical for understanding how ecosystems work.

Photosynthesis by primary producers, such as plants, introduces energy into ecosystems, which then flows through the food chain to consumers.

Nutrients such as carbon, nitrogen, and phosphorus cycle through the ecosystem via biological and geological processes and are critical for the ecosystem's health and productivity.

Understanding how energy and nutrients enter, move, and cycle within ecosystems is therefore critical for understanding ecosystem functioning and sustainability.

Thus, the movement of energy and nutrients in an ecosystem is referred to as ecosystem ecology.

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Which of the following CANNOT occur during a chemical reaction

Answers

Answer: No atoms can be created and no atoms can be destroyed.

(don't know if thats what you were looking for)

Explanation:

Well according to Dalton’s theory atoms of the same element are alike in all respects and atoms of different elements are different. So elements can be combined to make a new element but can not be the same element. It’s kinda hard to explain but essentially if it’s the same then it will stay the same and if it’s different then it will stay different. It can’t change in that regard but it can be combined to create anew.

which landform can be created by wind

Answers

Answer:

sand dunes

Explanation:

the wind can gradually displace sand on top of one another and create piles of sand that build to create sand dunes

Answer:

weathering of rocks, action of wind and water.

hope it helps

cuanta poblacion tiene Janca

Answers

Answer:

Se estima que un total de 70.000 personas.

Human beings belong to .........
A. Kingdom Protista

B. Kingdom Fungi

C. Kingdom Plantae

D. Kingdom Animalia

Answers

Answer:

D. Kingdom Animalia

Explanation:

Human beings belong to the kingdom Animalia. So, option (D) is correct.

Answer:

D. Kingdom Animalia

Explanation:

Humans are a type of animal. Specifically, they are multicellular eukaryotes. This means that they are complex animals that have more than one cell and that those cells have membrane-bound organelle. An easy way to remember this is that "Animalia" is extremely similar to the word "animal" and humans are animals.

Laissez-faire

Think about what you've learned about laissez-faire and rights. Then, complete each statement

Laissez-faire means that the government

with people's right to pursue happiness.

The idea of laissez-faire, or how much the government should do, is

DONE

Answers

Answer:

Laissez-faire means that the government does not interfere with people's right to pursue happiness.

The idea of laissez-faire, or how much the government should do, is debated heavily.

Explanation:

Laissez-faire is the main concept defended by economic liberalism and capitalism, mainly in the USA and other countries that adopt this type of concept. In a simple way, Laissez-faire can be defined as the separation of the State and the commerce of a region. This means, that in places where Laissez-faire is adopted, the State, ie the government, does not have the right to interfere in any type of commercial relationship and should only be responsible for guaranteeing property rights and consumer protection, otherwise, trade must regulate itself, within its own limits.

While many people see this policy as beneficial, preventing government from interfering with people's happiness, others believe that Laissez-faire is not beneficial and that government interference, or lack of it, should be discussed.

why did mendal use peas in his experiment

Answers

Answer:

He chose peas because they had been used for similar studies, are easy to grow and can be sown each year. Pea flowers contain both male and female parts, called stamen and stigma, and usually self-pollinate.

Explanation:

Hope this helps!

Refer to the diagram below to answer the question. Which position of the Moon would cause a solar eclipse over a portion of Earth?

Answers

Answer:

Explanation:

The diagram below represents a total solar eclipse as seen from Earth. ... Base your answers to questions 2 through 5 on the diagram below, which shows the. Moon at ... the Sun cause Earth to experience the highest high tides. 3 the diagram below, which shows the positions of the Moon in its orbit and phases of the.

PLEASE HELPP!!! Brainiest answer :))) thanks sm

Answers

Answer:

50% <3

Explanation:

Give an example of a toothed marine mammal that is endangered, explain what it eats and why it is endangered.

Answers

Answer:

It's the Sperm whales .

they eat fish nd other sea creatures

Tara, a server, has a sore throat. She takes her temperature and it reads 100°F. She should be _____.

Answers

Answer:

She should be O allowed to continue her duties as long as she does not start to feel worse. O reported to the health department.

Explanation:

Hope it helps

Which of the following is NOT a social science?
politics
geography
physics
economics

Answers

Answer:physics

Explanation:

grass is the first member of the ocean food web.

Answers

Answer:

Phytoplankton and algae form the bases of aquatic food webs. They are eaten by primary consumers like zooplankton, small fish, and crustaceans. Primary consumers are in turn eaten by fish, small sharks, corals, and baleen whales.

Explanation:

Which of the following shows the stage of mitosis in the correct order?​

Answers

answer: B !

hope this helps! please mark me as brainliest :)

Prophase, prometaphase, metaphase, anaphase, telophase, cytokinesis is the correct order of mitosis. Therefore, option (B) is correct.

Mitosis is a cellular process that ensures the accurate division of a cell's genetic material into two identical daughter cells. It consists of several distinct phases that occur in a specific order.

Interphase: The cell prepares for division by growing, duplicating its DNA, and synthesizing necessary proteins.

Prophase: Chromatin condenses into visible chromosomes, the nuclear membrane disintegrates, and spindle fibers form.

Metaphase: Chromosomes align at the center of the cell, known as the metaphase plate, and attach to spindle fibers at their centromeres.

Anaphase: Sister chromatids separate and are pulled to opposite ends of the cell by the spindle fibers.

Telophase: Chromosomes reach the opposite poles of the cell, and new nuclear membranes form around them. The chromosomes begin to decondense.

Cytokinesis: The cytoplasm divides, leading to the formation of two distinct daughter cells, each containing a complete set of chromosomes.

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Please answer the question,if you only know the answer. Please don't do any kind of spam,I'm in need of this answer.

❌NO SPAM❌​

Answers

[tex] \huge \mathfrak \red{AnSwEr√}[/tex]

The difference between Autotrophic and heterotrophic nutrition are:

The organism which can prepare their own food by themselves in the presence of chlorophyll and sunlight.Ex:- Green Plants

The organism which depends on directly or indirectly on others.Ex :- Humans

Hope it helps you

Bye

Clones (identical copies) are formed in
Meiosis
Mitosis

Answers

Mitosis is the correct answer
Mitosis makes exact copies of DNA whereas in Meiosis it creates all different kinds of cells to create the organism

A single species can feed at only one tropic level

True

False

Answers

Answer: True sorry if I’m wrong.

Explanation:

Answer:

True

Explanation:

PLEASE HELP ME PLEASE!!!

Answers

The third one ! :) hope this helped

When comparing fossil A to fossil B, which is most likely correct?
Air
Soil
Up
Fossil A
-Fossil B

Answers

Fossil B would most likely be correct in this situation

Which of the following is a characteristic of invasive species?

Answers

Answer:

They Take resources from native species

Explanation:

An invasive species doesnt grow slowly, they do the opposite they grow super fast becaus ethey are the best out of the others and completly own the place.

The can adapt or they aren't considered invasive, that's why they are so effective

They aren't endangered or else its not invasive, they are thriving because they have 0 competition.

Give brainliest pls

Because of their capacity for rapid growth and reproduction, or because their new environments are devoid of any native predators or pests, invasive species frequently thrive in their new ecosystems. Thus, option B is correct.

What is a characteristic of invasive species?

An invasive species doesn't develop slowly; on the contrary, they accelerate their growth because they are superior to all other species and have taken over the area completely.

Because of this, invading species may pose a threat to native species and interfere with crucial ecosystem processes.

A species must be easily adaptable for it to be invasive. It needs to multiply swiftly. It must result in harm to local property, the local economy, or the local fauna and flora. Accidental introduction of invasive species into a new area is common.

They are so successful because they can adapt and aren't intrusive. Because they have no competition, they are thriving while not being threatened.

Therefore, They take resources from native species.

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Sheila wants to learn more about how people reason and remember things. Which branch of psychology BEST fits Sheila’s interests?

A.
cognitive psychology

B.
behavioral psychology

C.
cultural psychology

D.
human factors psychology

Answers

Answer:

He involves psychological research ( cognitive)  and observation in his exploration of the mind.

Answer:

A.

Explanation:

Cognitive psychology

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