Which of these is not needed for a species to evolve?
A. Strong and healthy individuals.
B. Competition.
C. Natural selection
D. Natural variation

Answers

Answer 1

Answer:

A

Explanation:

It is not needed for evolution


Related Questions

A well-organized layer of material lying outside the bacterial cell wall and which is not easily washed off is known as Select one: a. Slime layer a CCC b. Capsule c. Glycocalyx d. Envelope e. Spore​

Answers

The bacterial capsule is a well-organized layer of material lying outside the bacterial cell wall serving to protect the bacteria and which is not easily washed off.

What is the bacterial capsule?

The bacterial capsule is a well-organized layer of material lying outside the bacterial cell wall and which is not easily washed off.

The bacterial capsule is a layer of polysaccharides which are found outside the cell envelope, therefore, it is regarded as being part of the outer envelope of a bacterial cell.

The bacterial capsule is associated with being the cause of various bacterial diseases.

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In a certain fish, blue scales (B) and red scales (R) are codominant. When a fish has the hybrid genotype, it has a patch of blue and red scales.

What is the genotype for blue fish?

What is the genotype for red fish?

What is the genotype for patchwork fish

Answers

1. BB
2.bb
3. Bb

I believe these are the answers.

How did pasteur and Tyndall finally settle the Spontaneous Generation Controversy?

Answers

Pasteur and Tyndall finally settled the Spontaneous Generation Controversy with the experiments performed that disproved the theory.

What was the Spontaneous Generation Controversy?

This was a theory that stated that life would spontaneously arise, as an attempt to explain the fungi that would grow on food and the appearance of fly larvae in meat, since the existence of bacteria was not known at the time. Pasteur and Tyndall finally disproved this theory by showing that these things do not occur when the food is isolated from the open air.

Therefore, we can confirm that through their experiments which showed that without contact with the open air, life does not arise from leftover food, Pasteur and Tyndall proved that more is needed for life to arise.

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Investigate how a symbiotic association is different from a parasitic association in plants. Discuss the same with your friends and classmates.​


I will mark as brainliest!

Answers

An example of a symbiotic relationship is the mutually beneficial interaction between a clownfish and an anemone. The anemone's nematocysts, or stinging cells, protect the clownfish from predators and give clownfish pairs a safe place to lay their eggs.




Pls brainliest needed I

how  ecology helped shape the environment, and vice-versa.​

Answers

Ecology enriches our world and is crucial for human wellbeing and prosperity. It provides new knowledge of the interdependence between people and nature that is vital for food production, maintaining clean air and water, and sustaining biodiversity in a changing climate.

Which describes a discount broker?
o get reduced prices on shares for their larger customers
o pay taxes on a smaller percentage of their earnings
O can only buy and sell common stocks
O do not give investment advice or do stock market analysis

Answers

Answer:

D. do not give investment advice or do stock market analysis

Explanation:

They dont provide investment advice usually or guidance thats most likely provided by a full service borker

Hope this helps! :)

4. Which of the following statements best
describes blood flow in the human body?
A. As blood pressure increases, the rate of
blood flow decreases.
B. As the length of a vein decreases, the
resistance to blood flow decreases.
C. As the viscosity of the blood decreases,
the rate of blood flow increases.
D. As the diameter of a blood vessel
decreases, the rate of blood flow increases.

Answers

Answer:

as the blood pressure increases, the rate of blood flow decreases

Which statement describes the first step in soil formation?
O A. Humus forms topsoil.
O B. Bedrock becomes weathered.
C. Decaying plants add nutrients
O D. Sediment is carried by water.

Answers

Answer:

I think your answer is B: Bedrock becomes weathered

What did the solar system form from?
O comets
O clouds of dust and gas
O preexisting planets
O black hole

Answers

Answer:

Clouds of dust and gas

Explanation:

Answer:

its b i just took the test

Explanation:

5 types of phagocytes

Answers

Answer:

The professional phagocytes are the monocytes, macrophages, neutrophils, tissue dendritic cells and mast cells.

Question 10 (2 points) Convert a volume of 3.12 x 107 nm into cm3​

Answers

The conversion of the volume 3.12 × 10⁷ cubic nanometre to cubic centimetre is 3.12 ₓ 10⁻¹⁴ cubic centimetre

How to convert cubic nanometre to cubic centimetre?

The volume is in cubic nanometre, so we have to convert the volume to cubic centimetre.

1 cubic nanometre = 1 × 10⁻²¹ cubic centimetre

3.12 × 10⁷ cubic nanometre = ?

cross multiply

volume in cubic centimetre = 1 × 10⁻²¹ × 3.12 × 10⁷

volume in cubic centimetre = 3.12 × 10⁻²¹⁺⁷

volume in cubic centimetre = 3.12 × 10⁻¹⁴

volume in cubic centimetre = 3.12 ₓ 10⁻¹⁴ cubic centimetre

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which of the following correctly describes how a diagram how a cellular respiration would differ from a diagram of photosynthis

Answers

Answer:

Explanation:

1.  Which of the following correctly describes how a diagram of cellular respiration would differ from a diagram of photosynthesis? The cellular-respiration diagram would show electromagnetic waves as the final product. The cellular-respiration diagram would show glucose as the main source of energy.

: )

Lateralization is defined as

Answers

Answer:

Hola hay hola buenos días para todos ustedes que

localization of function or activity on one side of the body in preference of the other.

What is the medical term for inflammation of the nose and throat

Answers

The medical term nasopharyngitis is used specifically to refer to the swelling of the nasal passages (the nose) and the back of the throat.

What is nasopharyngitis?

It is associated with the rhinopharynx or nasopharynx, which is the sector of the pharynx that is next to the nostrils and above the back of the throat.

It is an inflammatory condition or a disease that is caused by the action of a virus in the upper respiratory system.

Therefore, we can conclude that the medical term nasopharyngitis is used specifically to refer to the swelling of the nasal passages (the nose) and the back of the throat.

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what part of the reef is typically highest and experiences the greatest wave length

Answers

The reef crest or algal ridge

What are some costs of social behavior?

Answers

Answer:

Social behavior is behavior among two or more organisms within the same species, and encompasses any behavior in which one member affects the other. This is due to an interaction among those members. Social behavior can be seen as similar to an exchange of goods, with the expectation that when you give, you will receive the same. This behavior can be affected by both the qualities of the individual and the environmental (situational) factors. Therefore, social behavior arises as a result of an interaction between the two—the organism and its environment. This means that, in regards to humans, social behavior can be determined by both the individual characteristics of the person, and the situation they are in.

Explanation:

Florida animals respond to the seasonal changes of winter in many different ways. Select the statement which describes the response(s) of Florida animals to the seasonal changes of winter that give them a better chance of survival. Animals change their diet, like the bobcat that eats mice in the summer and migratory birds in the winter. Animals prepare themselves for the cooler temperatures by putting on weight and growing more fur. Animals reduce the amount they eat due to the lack of food available. Animals remain dormant for the season until the warmer temperatures of spring arrive.

Answers

Answer?: Animals prepare themselves for the cooler temperatures by putting on weight and growing more fur.

Explanation: i think its this one

The statement that describes the response of Florida animals to the seasonal changes of winter that give them a better chance of survival is as follows:

Animals prepare themselves for cooler temperatures by putting on weight and growing more fur.

Thus, the correct option for this question is B.

What do you mean by Seasonal changes?

Seasonal changes may be defined as the sequences of variations in a time series within one year that are repeated more or less regularly. The seasonal variation may be caused by significant alterations in the temperature, rainfall, public holidays, cycles of seasons, or holiday.

In cold regions like Florida, animals hibernate throughout the entire winter season and come out in the spring. In warmer regions, such as Florida, animals experience a shorter period of hibernation compared to other colder states such as New York.

But when it comes to adaptation, they generally prepare themselves for the cooler temperatures by putting on weight and growing more fur.

Therefore, the correct option for this question is B.

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Your question seems incomplete. The most probable complete question is as follows:

Florida animals respond to the seasonal changes of winter in many different ways. Select the statement which describes the response(s) of Florida animals to the seasonal changes of winter that give them a better chance of survival.

Animals change their diet, like the bobcat that eats mice in the summer and migratory birds in the winter. Animals prepare themselves for cooler temperatures by putting on weight and growing more fur. Animals reduce the amount they eat due to the lack of food available. Animals remain dormant for the season until the warmer temperatures of spring arrive.

Which of these is a disadvantage of using natural gas?

Answers

Since you say ‘which’ , in order to answer you, we would need the options you are given, but my answer would be
1. Not reusable
2. Might use up someday
3. Burning it will produce carbon dioxide and worsen global warming

Hope these can help :)

Answer:

extraction through fracking can contaminate groundwater.

Explanation:

When the summer brings hot temperatures in Florida, what seasonal changes occur?
Ants go into dormancy.
Ants go into hibernation.
Ants increase their activity.
Ants dig deep in the ground to stay cool.

Answers

Ants go into hibernation when the summer brings hot temperatures in Florida.

What is Hibernation?

During this process animals undergo very minimal activity and metabolic processes.

This helps to conserve energy as the environment isn't usually suitable for them to look for food which happens to ants during hot temperatures.

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Answer: I know answer is hibernate

Explanation: because Leo was teach me how answer hibernation by read lesson



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What do contractile vacuoles do?
A. pump water out
B. overfill the cell with water
C. make acidic water
D. act as a water heater

Answers

The answer is A. Pump water out

What is required in addition to oxygen to create a high
temperature flame?

Answers

There should be less nitrogenheavy amount of oxygen

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Which of the following are examples of a renewable resource? Choose ALL that apply.

coal

sunlight

natural gas

wind

nuclear power

biomass

petroleum

plants (trees, cotton, corn)

Answers

Answer:Most of our energy is nonrenewable · Petroleum · Hydrocarbon gas liquids · Natural gas · Coal · Nuclear energy.

Explanation:

In the sarcomere structure, the two molecules making the overlapping thick and thin filaments are (You must choose two)

Question 4 options:

calcium


myosin


microfilaments


actin

Answers

Protein myosin and protein actin

10. Exchange of gases takes place

Answers

Answer:

Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.

Explanation:

All of the following describe outcomes of urbanization except ?

A. destruction of native habitats

B. habitat restoration

C. increased air pollution

D. increased heat islands

Answers

It would be answer D

How is DNA information used to make proteins? What are the steps of this process?

Answers

First, enzymes read the information in a DNA molecule and transcribe it into an intermediary molecule called messenger ribonucleic acid, or mRNA. Next, the information contained in the mRNA molecule is translated into the "language" of amino acids, which are the building blocks of proteins. I hope this helps٫if not I'm sorry.

The DNA information is utilized by specific enzymes in order to construct and transcribe an intermediate compound known as mRNA. This compound is further translated into amino acids which are known as the building blocks of proteins.

What are the steps of proteins synthesis?

The steps of the protein synthesis are as follows:

Transcription: This step occurs in the nucleus of the cell. Translation: This step occurs in the cytoplasm of the cell.

The flow of information from DNA to proteins is considered the basic theory of molecular biology. This complete process of synthesis of protein from DNA is known as Central Dogma. It also involves the utilization of numerous classes of enzymes for the synthesis of amino acids.

Therefore, the DNA information is required for the termination of central dogma with the final product of proteins.

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I will give Brainliest!

What is the probability that parents with genotypes Ee and ee will have a child with attached earlobes? Explain

Answers

Answer:

50% chance

Explanation:

Because there is no dominant over recessive and it's big E and little e which shows 50% chance

Answer:

50%

Explanation:

Make a punnet square. Since attached earlobe is recessive the genotype must be ee. And that occurs 50% of the time. Glad to help :)

Diseases such as colds or influenza are caused by a

bacterium
parasite
fungus
virus

Answers


Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease.

I hope this helps! :)
Diseases such as colds or influenza are caused by a virus

What is the number of individuals that are needed for a species to continue?
a. Critical Mass
b. Endangered species
c. Extinction

Answers

Answer:

a

Explanation:

because critical mass is the number of individuals that must exist for a species to continue.

Answer:

a

Explanation:

Living things can weather rocks by both mechanical and chemical means. true or false

Answers

I think the answer is False

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