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Doss [256]
1 year ago
14

Question 7 of 25 Which of the following best describes a community?

Biology
1 answer:
zepelin [54]1 year ago
3 0

Answer:

A - An interacting group of populations that occupy the same area.

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What is main difference between fresh water & ocean water ecosystem?
IrinaVladis [17]

Answer:

I think it might be A. I'm not sure.

5 0
3 years ago
Cilia are composed of microtubules. How are microtubules different from the other cytoskeletal filaments?
Maru [420]

Answer:

They are thick, strong and made up of thousands of tubulin which are spiral in shape.

Explanation:

In eukaryotic cells, they have microtubules which are fibres serving as tracks for cell to cell transport and regulate the shape of a cell.

Microtubules are different from other cytoskeletal filaments because they possesses a cylindrical shape with the tube having a larger diameter of 20-25 nm as compared to microfilament that have a diameter of 3-6 nm.

Microtubules are made of subunits of proteins called tubulin named alpha and beta that is not present in other cytoskeletal filaments.

4 0
3 years ago
Assume that an organism exists in which crossing over does not occur, but that all other processes associated with meiosis occur
MakcuM [25]

Answer:

Option (e).

Explanation:

Meiosis may be defined as the process of cell division in which a single parent cell divides into four daughter cells. The chromosome number reduces to half in meiosis.

Crossing over is the process of exchange of genetic material between the homologous chromosomes of the non-sister chromatids. Crossing over will bring variation in the gametes. Hence, the absence of crossing over results in the formation of gametes with less genetic variation.

Thus, the correct answer is option (e).  

7 0
2 years ago
A solute uses a protein channel to cross into or out of the cell. What
Natalija [7]
D, active transport because that protein uses atp to cross channels and active transportation is the only form of movement that’s used atp to move
6 0
3 years ago
I WILL GIVE YOU THE BRAINLEIST ANSWER PLEASE HELP
Law Incorporation [45]

Answer: 3

Explanation:

8 0
3 years ago
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