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suter [353]
3 years ago
6

What is the difference between an atom and an ion.

Biology
1 answer:
ziro4ka [17]3 years ago
3 0
The basic unti the basic unit of a chemical element.<span>
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Which of following refers to the process that facilitates plant communities gradually changing over a period of time in order to
Reil [10]

Answer:

The correct option is B

<u> Succession</u> refers to the process that facilitates plant communities gradually changing over a period of time in order to respond to their environment.

Explanation:

Succession can be described as changes that occur in an ecosystem in response to the changes in the environment or any other disturbances.

Succession can be of two types. 1. Primary succession 2.Secondary succession

Primary succession occurs on lands where there was no life before. With time, plants start to grow here and a community is developed.

Secondary succession occurs on lands that have been destroyed due to any disturbances like a flood or a fire. Over time, new plants start to grow on this land and a community is developed.    

4 0
3 years ago
Which one of the following human activities is the greatest threat to biodiversity?
lesya [120]

Answer:

Overharvesting

Explanation:

Too much harvest and planting causes the soil to wear down and be less useful.

4 0
1 year ago
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Which of the following is a producer in the food web shown above?
Masja [62]
The answer is B HOPE THAT HELPS

3 0
3 years ago
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The anemia resulting from a deficiency of either vitamin B 12 (cobalamin) or folate is caused by a disruption in DNA synthesis o
Vesnalui [34]

Answer:

The given statement is true.

Explanation:

A condition in which uncharacteristically large, unusual and immature RBCs known as megaloblasts gets generated by the bone marrow is known as megaloblastic anemia. The condition can arise due to many causes of which deficiencies of folate or vitamin B12 (cobalamin) are the most general ones. The mentioned vitamins perform an essential function in the generation of RBCs.  

The signs and symptoms of megaloblastic anemia are lightheadedness, shortness of breath, pale skin, unusual heartbeat, and dizziness. Some of the other signs of the condition are weakness in muscles, pains and aches, and dyspnea.  

7 0
2 years ago
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The function of meiosis is to produce gametes: eggs or sperm. During meiosis, a diploid (2N) mother cell undergoes two meiotic d
Andrej [43]
The error is that four haploid daughter cells are made so it needs to be 4N, because there should be 4 instead of 2
4 0
2 years ago
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