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Simora [160]
3 years ago
12

When dna makes complete copy of itself it is called?

Biology
1 answer:
ValentinkaMS [17]3 years ago
8 0
The correct answer is DNA Replication
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How do humans contribute to natural selection? Help Plz
Montano1993 [528]
We are the top of the food chain, so we hunt a lot. like the way we do the fish in nets, it’s normal now for a fish to be naturally selected to be caught in the fishers’ net. humans contribute by hunting and collecting their own food even if they do it in masses just like how a cheetah catches and eats a gazel.
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Diffusion is the movement of particales from areas of what concentration to what concentration
nikklg [1K]
Diffusion is the net movement of fluid from area of higher concentration to lower concentration, resulting from the random movement.

From example, if you drop a red ink in a cup of water, the ink will slowly spread among the water, making the water red. This is because the red ink is very concentrated, so it moves to the other part of water to lower the ink concentration. When it reaches the point where whole cup of water is red, it reached equilibrium and there's no more net movement
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3 years ago
Two environmental changes are described below: Environmental change 1: Many small tree saplings are competing for sunlight on th
lilavasa [31]

Answer:

Both statements are true

Explanation:

Many small tree saplings are competing for sunlight on the forest floor because tree saplings in forest floors are often deprived of adequate light as a result of the shade created by bigger trees in the forest. <em>Hence, the saplings jostle for light in order to effectively carry out light-requiring physiological activities such as photosynthesis and chlorophyll synthesis.</em>

The West Nile virus a virus that <em>generally affects the central nervous systems of birds - the primary host. It is transmitted from one bird to another through contact and by a vector - the mosquito</em>. The virus is also capable of being contracted by humans where it causes fatal neurological disorders.

3 0
3 years ago
When did your stem cells first start to differentiate.
vaieri [72.5K]

Answer:

In early pregnancy, the blastocyst stage continues for about 5 days before the embryo implants in the uterus, or womb. At this stage, stem cells begin to differentiate.

Explanation:

4 0
3 years ago
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