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sweet-ann [11.9K]
3 years ago
10

____ is the number and variety of species present in any biological community.

Biology
1 answer:
nataly862011 [7]3 years ago
6 0

Answer:

Species diversity.

hope it helps.

stay safe healthy and happy.

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On Galapagos islands with
soldi70 [24.7K]
The answer would have to be D
3 0
2 years ago
A gene mutation is a change in the sequence of nucleotides that occurs during cell replication (mitosis and meiosis)within a sin
Shalnov [3]

True

Changes in the transcription of mRNA or the translation of a polypeptide are not considered to be mutations because they are not permanent changes to the cell.

Explanation:

The half-life of mRNA and proteins is short. mRNA has an average of 10 hours of life span while proteins have an average of  several days. Therefore mutation in these biomolecules will only persist as long as this mutated mRNA of protein exists. After its life-span, the molecule is degraded and replaced by a non-mutated mRNA or proteins. This is because the piece of DNA that codes for the mRNA and subsequent protein is not mutated. A mutation on DNA is the permanent kind of mutations because DNA is a highly stable molecule that stores information about the cell.

Learn More:

For more on mutations check out;

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7 0
3 years ago
40 points and brainliest.
Scrat [10]
<h2>Hey There!</h2><h2>_____________________________________</h2><h2>Answer:</h2>

1- Fire uses the energy, The heat is required, it is the part of the chemical reaction. Heat reacts with the fuel and oxygen to ignite it.

2- Bacteria as the decomposers gets rid of the wastes. It breaks down the organic material such as the remains of dead organisms.

3- Fire grows and develops, The fire has different stages. If its not controlled in its initial stages it could grow and develop into really big destruction.

4- Bacteria can sense and respond to stimuli. There is phototactic and chemotactic movement found in bacteria.

5- Bacteria has ways to protect itself from har.sh environment. They can form colony and work together against the changes, also they can form the hard cyst to protect themselves from the unfavorable conditions.

6- Bacteria reproduces, It has different ways of reproduction i.e. Trans.duction, Transf.ormation, conju.gation.

7- Wrist.watch have a def.ined boun.dary as it is not a living thing it can't gr.ow, it does not have 8 chara.cteristics of li.fe.

8- Wrist.watch has internal organization which help them to carry out basic functions

9- Algae are made of more than one cells

<h2>_____________________________________</h2><h2>Best Regards,</h2><h2>'Borz'</h2><h2 />

4 0
2 years ago
Read 2 more answers
Explain why extended exercise is considered to be "healthy"
sp2606 [1]
Many physical disorders that occur in humans are attributed to the styles of living and general eating habits. Conditions such as diabetes, depression, dymentia and even some cancers are led by bad eating habits. A friend once asked me: Now that I do not want to become obesse but want to be muscular, what will I do since I have to gain mass but I don't want to overfeed? My answer was so simple. EXERCISE
Exercise can be in many forms. The most common modes of exercise are gym and athletics. If you don't do regular exercise, your body does not find a chance to get rid of the many wastes produced by different metabolic processes. Some of these products are toxic and they lead to bad effects in the body. The effect is getting lifestyle diseases.
Exercise plays a key role in boosting your memory. During and after exercise, blood becomes more oxygenated and the supply of oxygenated blood to the brain is increased. This ensures there is renewed strength in the brain parts e.g. hypothalamous and hence boosting thinking ability.
We can not overlook the fact that exercise is fun. When exercising, you are happy and happiness makes you stay healthy.




3 0
3 years ago
Who divide the first islam empire into provinces​
Marina CMI [18]
Muhammad Divided the first Islam empire
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2 years ago
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