For a species to be on the endangered list there must be ____ organisms of the species left.
2,000
2,500
1,000
3,000

Answers

Answer 1
2,500 is correct in my opinion
Answer 2

Answer:

2,500 i belive

Explanation:


Related Questions

Explain how the biogeochemical cycles obey the law of conservation of matter. Use 1 cycle as specific evidence to support your claim.

Answers

Answer:

i

Explanation:

iiiiiiiiiiiiiiiiiiiiiiiii

13. Populations of organisms grow at an _______ rate, but ____ factors such as food, habitat, predators, weather, disease, climate, & temperature can affect the maximum population size an area can support.

14. Sea otters are an example of a _________ species where the effects of overhunting this population of organisms will severely affect the population #s of other species.

15. _______ is determined by the # of species in a specific area as well as the # of different kinds of species in a specific area.

Answers

13. Exponential, limiting
14. Keystone
15. Population (not completely sure on this one, may be something like biodiversity)

How is the cytoplasm divided between the two cells that result from mitosis in plant cells? In animal cells?​

Answers

Answer:

The contractile ring shrinks through the center of the cell, evenly dividing the cytoplasm between the two halves. This indicates that cytokinesis is completed and the cell has been replicated.

A secretion responsible for the development of a deep voice and facial hair is synthesized by

1.) Structure F
2.) Structure B
3.) Structure C
4.) Structure G

Answers

The development of a deep voice is due to structure C.

What is the thyroid gland?

The thyroid gland is the gland that is responsible for deep voice. The gland is found at the anterior of the neck just around the Adam's apple. Over-secretion of the thyroid gland leads to a very deep voice.

From the structure shown, the development of a deep voice is due to endocrine secretion of a hormone from structure C.

Learn more about thyroid gland: https://brainly.com/question/4729636

As you worked down the dichotomous classification key to identify sharks, did you go from general to specific characteristics or from specific to general characteristics? Explain your answer using four characteristics that were used in the shark key.

Answers

When constructing a dichotomous key, we should start with general characteristics and then move to more specific characteristics. A dichotomous key lists an organism's structure and behavior so it may be recognized through elimination.

What are four characteristics that are used in the shark key?

When attempting to categorize an organism, scientists frequently make use of a dichotomous key. A dichotomous key is a listing of specific features, such as structure and behavior, in such a way that an organism may be identified through a process of elimination. Examples of dichotomous keys include the following:

The shape of the body, the number of gill slits, the position of the mouth, and the shape of the caudal fins are the dichotomous keys for identifying sharks. Other features include the length of the dorsal fins or the number of dorsal fins, the presence or absence of pelvic fins and the shape of the skull.

Learn more about dichotomous classification key, here:

https://brainly.com/question/2235448

#SPJ1

what property of greenhouse gas make them important Earth's temperature?

Answers

Answer:

The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat. This process makes Earth much warmer than it would be without an atmosphere.

Explanation:

The greenhouse effect occurs as the gases reach Earth’s surface. As the short wave energy heats the surface, some of the longer wave energy radiates back into the atmosphere and back into space. Greenhouse gases absorb some of the energy and trap it in the lower atmosphere. Less heat radiates into space, and Earth is warmer.

What conclusion can you make regarding how humans affect biodiversity? Is evidence from the graph to support your answer

Answers

Answer:

Decrease population of staghorn coral and spotlight parrot fish.

Explanation:

Humans greatly affects biodiversity by decreasing the population of most of the organisms due to its activities. Human activities causes pollution in the environment as well as disturbed the habitats of many organisms that leads to  decrease in their population. Humans activities releases carbondioxide gas in large concentration that will leads to the increase of pH of the ocean water which adversely affected the population of many marine animals such as staghorn coral and spotlight parrot fish etc so that's why we can say that human activities adversely affected biodiversity.

How does an increase in the human population affect ecosystems?
A larger human population increases Earth's biodiversity.
A larger human population has a greater need for natural resources.
A larger human population produces more natural resources for living things
A larger human population helps matter cycle through ecosystems more quickly

Answers

Answer:

B, A larger human population has a greater need for natural resources.

Explanation:

Biodiversity means the population of something. But humans are using more resources as the human biodiversity increases.

SOOOOO... as the biodiversity of the human population increases, CAUSES us to use resources.

help pls will give branliest

Answers

Answer:

I believe the ans is streptococcus

Which of the following is NOT an effect of habitat fragmentation?
Organisms have decreased ability to move around.
Organisms have decreased food sources.
Organisms have greater chances to find a mate.
Organisms have fewer opportunities to hunt for food.

Answers

c. organisms have greater chances to find a mate

Percentage of the atmosphere that is nitrogen gas

Answers

Answer:

Air is composed of 78 percent nitrogen

Explanation:

Answer:

78%

is the answer to your question

Write a message which must be put on the alcoholic drinks to alert pregnant women.
like a short message/warning

Answers

Answer:

Warning, it is advised if pregnant that you do not consume alcohol as it can cause discomfort or risk of injuring the foetus.

Explanation:

Why do we always consider the Economic Threshold Level (ETL) in farming? What
advice you can give to the farmer about the control of insect pests considering
climate change?___________________________________________________________________________________________________________​

Answers

Answer: Climate Change will always bring Pests/insects

Explanation: Pests and Insects migrate to better climate balanced areas when the climate in their habitat has changed and it's best to maintain crops from pests and insects but to be honest they will always come.

A trace fossil can determine the ______________ of an organism.


color

species


embryo

behavior

Answers

Species of an organism

NO LINKS Explain how a knee-j erk reflex occurs.

Answers

Answer:

The sensory neuron receive the stimulus by tapping at the knee cap and its going to send the message all the way to the spinal cord. And then it will make a U-turn and they will send the message back to motor neurons and then back to the knee cap so that the muscle will contract and your knee will just kick up.

Explanation:

can anyone help me with this please​

Answers

Here Is You Awnser's Hope It Helped :)

19 = Wave Length

20 = Compression

21 = Rare Fraction

22 = Displacement

23 = Crest

24 = Wave Length

25 = Trough

What is this plant tissue?

Answers

Answer:

Collenchyma Tissue

Explanation:

In the picture it looks like a cell wall (?) and plant cell walls are usually made out of or surronded by collenchyma tissues also they look very alike.

hope this helps <3

50 POINTS +BRAINLIEST!


the largest moon in the solar system, orbits which planet?


A.)Jupiter

B.) Mars

C.) Saturn

D.)Uranus

Answers

Answer:

A.) Jupiter

Explanation:

The largest moon Ganymede in the solar system, orbits the Jupiter planet.

[tex]\sf{ Jupiter }[/tex]

Explanation:

the largest moon in the solar system, orbits in the Jupiter planet

Please help me

Which day had the highest relative humidity ?

Answers

Day 4

Search up a relative humidity calculator and input the numbers

A blood specimen X is tested with blood group A serum and with B serum, both of which it agglutinate. To which blood group does X belong?

Answers

Answer: The blood group X belongs to is blood group AB.

Explanation:

Blood group typing is a process used in blood group serology to safely receive or donate blood during transfusion procedures. Blood groups found in human being can be put into four distinct groups, A, B, AB, and O, according to the antigens and antibodies that are found in the blood. Antigens are found on the surface of the red blood cells, while antibodies are found in plasma.

--> Blood group A: They possess A antigen on their red blood cells and antibody B in the serum

--> Blood group B: They possess B antigens on their red blood cells and antibody A in the serum.

--> Blood group AB: They possess both antigen A and B on their red cells with NEITHER antibody A nor B.

--> Blood group O: They possess neither antigen A nor B on their reb cells but has BOTH antibodies A and B.

In blood typing, we can identify our blood group by mixing a drop of blood with serum containing:

--> Anti- A antibody and

--> Anti- B antibody.

The clumping of red blood cells is called agglutination. The anti - A serum will cause the blood containing red blood cells with antigen A to clump while the anti- B serum would cause blood containing red cells with antigen B to clump. Therefore, specimen X is Blood group AB as the blood group contains both antigen A and B which clumps when added both A and B serum antibody.

65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large
deposit of dust that contained substances only found in asteroids. What most likely killed off the dinosaurs?

Answers

Answer:

the answer is A

Explanation:

monke

Use the information and graph to answer the following questions what conclusion can be drawn

Answers

Answer:

C

Explanation:

Where do you think the most chloroplasts are found in the plant system—in leaves, the stem, or the root?

Answers

leaves

Explanation:

Chloroplasts are mostly found in the parts of the plant that are capable of photosynthesis.

Why do traits increase within a population over time

Answers

Gene duplication, mutation, or other processes can produce new genes and alleles and increase genetic variation. New genetic variation can be created within generations in a population, so a population with rapid reproduction rates will probably have high genetic variation.

An animal that does not have the traits to adapt to its surroundings will?

Answers

It may become endangered

Explanation: If organisms cannot adapt to the changes in their ecosystem, they may move to another location. If they will not move, the species may become threatened, endangered, or extinct. Under an evolutionary phenomenon called relaxed selection, traits that were advantageous in one time and place become obsolete in another. Traits that aren't actively maintained by natural selection tend to become smaller or less functional over time, studies suggest.


1. What organism that does
cellular respiration will you
include in your aquaponics
system

Answers

Answer:

Fish, Tilapia

Explanation:

Fish can live in the water tank

it releases carbon dioxide , which plants need for photosynthesis

ammonia from fish can also act as fertilizer for plant

If u want specific species, tilapia

can adapt to environment and withstand less than ideal water conditions

resistant to many pathogens and parasites

Refer to Animation: Filtration, Reabsorption, Secretion. Cells of the excretory tubule _________water by osmosis, from which we can conclude that the solute concentration in these cells must be _________ than in the filtrate.

Answers

Answer:

Remove and lower.

Explanation:

Cells of the excretory tubule remove water by osmosis, from which we can conclude that the solute concentration in these cells must be lower than in the filtrate. The excretory tubule remove excess amount of water from the cell through semi permeable membrane of the cell while on the other hand, the solute concentration in the cell is lower as compared to filtrate so that's why it can't diffuse from the cell by the process of osmosis.

blank and blank are examples of phenotype

Answers

Answer:

yes

step by step explanation

what is cell physiology

Answers

Answer


Cell physiology is the biological study of the activities that take place in a cell to keep it alive. The term physiology refers to normal functions in a living organism. Animal cells, plant cells and microorganism cells show similarities in their functions even though they vary in structure.

Please mark me as brainliest

Which best describes RNA?
Single-stranded & contains uracil and ribose
Single-stranded & contains thymine and ribose
Double-stranded & contains uracil and ribose
Single-stranded & contains thymine and deoxyribose

Answers

Single stranded and contains uracil and ribose
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