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TEA [102]
2 years ago
11

Which statement about natural changes to ecosystems is true?

Biology
1 answer:
Citrus2011 [14]2 years ago
5 0
B natural changes allow for greater biodiversity
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Explain and give an example of inversion in DNA sequencing.​
eduard

Answer:

If two breaks occur in one chromosome, sometimes the region between the breaks rotates 180 degrees before rejoining with the two end fragments. Such an event creates a chromosomal mutation called an inversion.

8 0
3 years ago
What are two negative effects on the carbon cycle of burning coal? explain your answer in terms of resources and climate change.
eduard

Air pollution and limited fresh air

4 0
3 years ago
The consequences of over-fertilization can include ________.
Savatey [412]
The consequence of over fertilization can include eutrophication in nearby waters.


         
hope it helps u.......
7 0
3 years ago
Match each leukocyte to its normal percentage in a differential cell count. A. 50-70% B. 20-40% C. 2-8% D. 1-4% E. < 1% basop
Vsevolod [243]

Answers:

A. 50-70% - neutrophils

B. 20-40% - Lymphocytes

C. 2-8% - monocytes

D. 1-4% - eosinophils

E. < 1% -  basophils

Explanation:

The blood differential test is used to estimate the percentage of each class of white blood cell (WBC) present in the blood and to indicate the presence of abnormal or immature cells.

The Test is Performed by taking of blood sample which is smeared onto a glass slide, then it's stained with a unique dye to indicate the class of white blood cells.

The Five class of white blood cells are

Neutrophils

Lymphocytes (B cells and T cells)

Monocytes

Eosinophils

Basophils

The different class of white blood cells are given as a percentage:

Neutrophils: 40% to 60%

Lymphocytes: 20% to 40%

Monocytes: 2% to 8%

Eosinophils: 1% to 4%

Basophils: 0.5% to 1%

Band (young neutrophil): 0% to 3%

7 0
3 years ago
Dna replicates during which phase of the cell cycle
Radda [10]

Answer:

S-Phase

Explanation:

S-Phase is when DNA synthesis/DNA Replication occurs

7 0
2 years ago
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