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Shtirlitz [24]
3 years ago
11

What is true about the motion of chromosomes during binary fission?

Biology
1 answer:
natta225 [31]3 years ago
6 0

Answer:

Chromosomes start being copied at the center of the cell. They move to the ends as replication

Occurs.

Explanation:

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Blastula --> early embryo with spherical shape if cells before gastrulation into germ layers
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3 years ago
What might happen if species a moved into a niche occupied b
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Ans. (A).one species would be force to leave.

A niche is defined as a specific area, where an organism lives and interacts with all the abiotic and biotic factors that affect it.

Two organisms cannot survive in the exactly same habitat as they will compete for same resources, so one will die). Hence, one of the two competing species gets evolved to use a different niche and uses different sources. This is known as resources partitioning and helps the organisms to coexist by reducing competition between them.

Thus, the correct answer is option (A).

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3 years ago
What condition would an increase in bicarbonate ion lead to?
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A flea and dog are an example of parasitism, because the flea irritates the dog's skin and feeds on its blood.

In a parasitic interaction, one organism benefits whereby the other one harmed. It is a positive - negative relationship. This interaction involves the interaction between the host and the parasite. The host is the bigger organism, here, the dog that is being harmed. The parasite is the flea causing the harm and benefiting from the relationship.

Certain bacteria live in the digestive tract of humans, and their relationship is an example of because mutualism the bacteria help humans to break down the food they eat.

In mutualism, the interaction is based on both organism deriving benefit from one another. Here, the bacteria gets its nourishment by breaking down human food. Human beings are able to digest the food better and are also nourished. A win-win situation is established.

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Explanation:

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