Which of the following can be used to assess the biological diversity of an area?.

Answers

Answer 1

Answer:

genetic variation within each species and number of species present

Explanation:


Related Questions

True or false: Theoretically, it is possible (but very difficult) for a population to not evolve for a while.

Answers

It is true that it is possible for a population to not evolve for a while.

There is something called the Hardy-Weinberg theorem, which characterizes the distributions of genotype frequencies in populations that are not evolving.

There are 5 Hardy-Weinberg assumptions:

no mutation random mating no gene flow infinite population size and no selection (natural nor forced).

You can see that some of these are kinda extreme and really hard to get, but with approximations, we can work.

For example, instead of an "infinite population size" we have enough with a really large population, such that genetic drift is negligible.

Concluding, yes, it is possible (but really difficult) for a population to not evolve for a while (at least, in nature), as long as the 5 assumptions above are met.

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what are the characteristics of a visceral reflex?

Answers

Answer:

Visceral reflexes involve a glandular or non-skeletal muscular response carried out in internal organs such as the heart, blood vessels.

Explanation:

True or false: Tonic contraction of smooth muscle in blood vessels is important in maintaining blood pressure.

Answers

the answer is true
hope this helps
and i hope i’m right lol

Red blood cells do not have a nucleus but the ____ has a lot of haemoglobin to carry more oxygen.

Answers

Answer:

Red blood cell has lot of haemoglobin to carry more oxygen

how long do monoclonal antibodies stay in your system

Answers

Answer:

They are effective for a month and gone after 6 months.  not sure if that's an answer choice but that's what I got.

Explanation:

when plants are red flowers are crossed with plants with white flowers What proportion of The Offspring will have pink flowers

Answers

The pink flower donates the r allele and produces pink flowers in 50% of the offspring. The genotype for the pink flower is Rr and the genotype for the white flower is rr. This would lead to a 50% chance of the offspring having a phenotype of pink.

A partial marine food web is shown.

image

Which of the following lists only organisms that are secondary consumers in this food web?

A.
euphausilds, sweeps, water fleas, sea urchins

B.
crabs, pilchards, blennies, snappers

C.
blennies, sweeps, tiger sharks, dolphins

D.
bull kelp, sweeps, water fleas, dinoflagellates

Answers

Crabs, pilchards, blennies and snappers are the examples of secondary consumers.

Crabs, pilchards, blennies and snappers are considered as secondary consumers because they feed on primary consumer which feed on producers such as plants and algae. Secondary consumer are those organisms which feed on herbivorous organisms or primary consumers.

They can feed on producers due to different digestive system so we can conclude that crabs, pilchards, blennies and snappers are the examples of secondary consumers.

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Which is the most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources

Answers

The most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources are solar panels, electric vehicles, and energy-efficient appliances.

What do you mean by Nonrenewable energy?

Non-renewable energy may be defined as that energy that will run out or will not be replenished for thousands or even millions of years.

Increase the use of electric and hybrid vehicles, install solar panels in a large amount, excessive use of energy-efficient appliances in the home, and the three R's are the most practical approach that can be done by anyone to reduce dependence on nonrenewable energy sources.

Therefore, it is well described above.

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Which of the following is an example of nonpoint source pollution caused by burning of
fossil fuels such as coal?
O acid rain
eutrophication
O aquifer depletion
O stormwater runoff

Answers

Explanation:

Acid rain eutrophication

Acid rain eutrophication is an example of nonpoint source pollution caused by burning of fossil fuels such as coal.

What is meant by eutrophication?

Acid rain eutrophication occurs when the environment becomes enriched with nutrients, increasing the amount of plant and algae growth to estuaries and coastal waters.

What is eutrophication and its causes?

Eutrophication is characterized by excessive plant and algal growth due to the increased availability of one or more limiting growth factors needed for photosynthesis .

Hence, A is correct option

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Which of the following structures is part of the peripheral nervous system?

*Cranial and spinal nerves
Brain
Spinal cord
None of the above

Answers

Answer:

a. Cranial and spinal nerves

Explanation: is correct

What is the citric acid cycle.

Answers

Answer:

Citric acid cycle also known as the Krebs cycle, is the second stage of the three-stage process by which living cells break down organic fuel molecules in the presence of oxygen to harvest the energy they need to grow and divide.

type of cells that do not have a nucleus or membrane-enclosed organelles.

Answers

Prokaryotes are organisms whose cells lack a nucleus and other organelles. Prokaryotes are divided into two distinct groups: the bacteria and the archaea, which scientists believe have unique evolutionary lineages. Most prokaryotes are small, single-celled organisms that have a relatively simple structure.

Una boya está anclada al fondo del océano. Una gran ola se acerca a la boya. ¿Cómo se moverá la boya a medida que pase la ola?

Answers

Answer:

lentamente con la ola

Explanation:

saliva contains relatively few microbes compared to other body sites, because __________.

Answers

Saliva contains relatively few microbes compared to other body sites, because the concentration of antimicrobial enzymes limits their growth.

Is there any specialized cells in a white rhino?

Answers

Answer:

Neurons and cartilage.

Yes,neurons and carliage

what two hydrogen carrying molecules are formed during the krebs cycle

Answers

Answer:

Remember that glycolysis produces two pyruvic acid molecules per glucose molecule along with two of the hydrogen-carrying NADH molecules. Remember also that the Krebs cycle produces NADH as well as another hydrogen carrier called FADH2.

hope it helps

If two 4-Newton forces act on an object in the same direction, what is the net force on the object?​

Answers

Answer:

8 Newton net force

Explanation:

Have a nice day

Which of the following gives bones their rigidity?

Answers

Answer:

b. Minerals

Explanation: is correct

When we inhale what do we bring in?

Answers

Answer:

oxygen

Explanation:

We breathe in oxygen into our lungs and let out carbon dioxide.

You inhale oxygen and exhale carbon dioxide

THIS IS THE PICTURE

Answers

Answer:

looks yummy

Explanation:

What is that btw hahaha

Complete this sentence. The increased ________ in ocean waters has decreased its pH, making it more acidic.
nitrogen
carbon
salt
heat

Answers

Answer:

Carbon?

Explanation:

I remember that carbon can be toxic if it's increased

Answer:

carbon

Explanation:

what is the function of circuit breakers and fuses?​

Answers

Answer:

Fuses and Circuit Breakers both serve the same purpose – which is to protect electrical circuits by preventing overloads that can cause fires. They both interrupt the flow of electricity, but in very different ways from each other. While a fuse is made of a piece of metal that melts when overheated, circuit breakers on the other hand, have internal switch mechanisms that can be tripped by an unsafe surge of electricity.

Fuses can be quicker for interrupting the flow of power, but when they melt they must be replaced; circuit breakers on the other hand just need to be reset. When comparing the two, we’ll take a look at some of the major advantages and disadvantages between fuses and circuit breakers to distinguish between them.

Answer:

Fuses and Circuit Breakers both serve the same purpose – which is to protect electrical circuits by preventing overloads that can cause fires. They both interrupt the flow of electricity, but in very different ways from each other

Explanation:

Hope I could help

                            Please mark as brailiest

enzymes are specific they will only fit with certain substrates explain why lactase can digest lactose but cannot digest other sugars like maltose and sucrose

Answers

Explanation:

your small your small intestines can't absorb either lactose or maltoseyou use different enzymes to digest the two sugars lactase break down lactose why an enzyme called sucrase-isomaltase breaks down maltose because enzyme are so specific with regard to function you can't break down maltose with lactose or vice versa

Lactase breaks down only lactose in food in our body can absorb it not maltose and sucrose as enzymes are specific in nature.

what are the properties of an enzyme ?

Enzymes are protein which act as a catalysts and speed up the rate of biochemical reactions with out changing the structure of the final product.

Enzymes can control the speed and specificity of the chemical reaction, and  the rate of biochemical reaction often influences enzymes and they can take place at a relatively low temperature; it   lower the activation energy.

The enzyme activity pH specific, that is at a particular pH, each catalyst is most active for example at PH 2 for pepsin, pH 8.5 for trypsin, for example.

Both enzymes have active sites which can activate biochemical reactions. It is soluble in water, dilute glycerol, NaCl, and dilute alcohol.

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What are the longest and shorted wavelengths of sound that humans can hear.

Answers

Answer:

Extremely high-pitched sounds that are on the other edge of the range that humans can hear have smaller wavelengths around 17 mm and frequencies around 20 kHz (kilohertz, or thousands of Hertz). What are the longest wavelengths? Red has the longest wavelength and violet has the shortest wavelength.

Explanation:

Item 3
Which statement is true of chloroplasts?


They transport glucose into the cell.


They are present in animal cells, but not in plant cells.


They convert light energy into chemical energy.


They convert the energy in glucose into a more usable form.

Answers

They convert light energy into chemical energy.

Answer:

They convert light energy into chemical energy.

Explanation:

I need help with one paragraph.

Answers

Answer:

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Explanation:

First To Answer Correctly, Gets Brainliest!!!! Connective tissue is present in bones, and blank, muscle tissue makes up muscle, nerve tissue transmits blank and forms nerves, and blank tissue lines organs and covers the body.

Answers

Answer:

what

Explanation:

Answer: uh I'm going to say B).

Explanation: Hope this helps? .-.

Newly hatched birds that lack down and are nest-bound, unable to feed on their own, as with baby wrens or robins, are Group of answer choices carinate. altricial. derived. ratites. precocial.

Answers

Newly hatched birds that lack down and are nest-bound, unable to feed on their own, as with baby wrens or robins, are ALTRICIAL. These species include hummingbirds, swallows, passerine birds, woodpeckers, etc.

In altricial species, young individuals are underdeveloped at birth, thereby needing the help of parents to mature and develop into adult individuals.

Conversely, precocial species are species in which young individuals are mature and mobile from the moment of birth.

Most domestic species of birds (i.e., ducks, turkeys, chickens, etc) have a precocial type of development.

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Tucker and Micayla are conducting an experiment about cellular respiration. The purpose of their experiment is to find out if plant cells utilize celluid!
respiration in addition to photosynthesis. They begin by filling one test tube with glass beads, one with dried (non-germinating) peas, and one with
peas that have been soaked and have begun to germinate
Glass beads Dry peas Germinating peas
growth and reproduction pipettes carbon dioxide
eat
make
oxygen
Look at the diagram. A product of cellular respiration is
A reactanto cellular respiration is
energy for
The differences that plants first
respiration, whereas animals must
which can escape from the test tubes through the
which will be used up. Plants, like animals, need
food that later undergoes cellular
food
Review progress
Question 22
of 25
Back
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Answers

Cellular respiration is commonly described as a metabolic pathway that reduces glucose and produces ATP. The answers are in the bullet point below:

The test group will undergo cellular respiration is the germinating peas. This is because they have been placed in an environment/conditions aid or  start to grow. This implies hat they are the only test group that can under cellular respiration. They  ATP for their growth.

A product of cellular respiration is carbon dioxide, which can escape from the test tubes throw the pipettes. A reactant of cellular respiration is oxygen, which will be used up. Plants, like animals, need energy for growth and reproduction. The difference is the plants first make, food, then undergo cellular respiration, whereas animals must eat, food, then undergo cellular respiration to make the energy from food available.

In Cellular respiration process, organisms utilizes the oxygen so as to break down food molecules and in turn produce chemical energy for cell functions.

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Tucker and Micayla are conducting an experiment with cellular respiration. The purpose of their experiment is to find out if plant cells utilize cellular respiration in addition to photosynthesis. They begin by filing one test tube with glass beads, one with dried (non-germinating) peas, and one with peas that have been soaked and have begun to germinate. Look at the diagram. Predict which test group will undergo cellular respiration and explain why.

product of cellular respiration is __________, which can escape from the test tubes throw the ________. A reactant of cellular respiration is ________, which will be used up. Plants, like animals, need energy for ______. The difference is the plants first ________, food, then undergo cellular respiration, whereas animals must _______, food, then undergo cellular respiration to make the energy from food available.

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please help me ill give brainliest <3

Answers

Answer:

1.O=1 H=2

2.C=1 O=2

3.O=2

4.C=6 H=12 O=6

Explanation:

Not sure what the 6 in front of the first 3 mean,maybe you multiple them six times for the question? not sure if it even means something though.

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