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Juliette [100K]
2 years ago
14

Explain how a change in environment may result in selection becoming directional rather than stabilising

Biology
1 answer:
bulgar [2K]2 years ago
4 0
Under artificial selection.

Natural selection is always stabilising. When there is great selective pressure, it could look as if it is directional, but actually, the environment has changed so much that the entire ecological system is unstable, and evolution compensates and stabilises it. There’s no direction to this compensation, but more like throwing things at the wall and see what sticks.

Only in artificial selection is there a direction.
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In William Blake's poem "The Chimney Sweeper," the metaphor "coffins of black" represents___.
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3 years ago
At the end of metaphase where is the dna located in the cell:
vodomira [7]

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Explanation:

This is when the cell grows and copies its DNA before moving into mitosis. During mitosis, chromosomes will align, separate, and move into new daughter cells. ... At the end of interphase comes the mitotic phase, which is made up of mitosis and cytokinesis and leads to the formation of two daughter cells.

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Nguyên tử Cacbon có 6 proton, 6 nơtron và 6 electron.
Free_Kalibri [48]

Answer:

Biết nguyên tử cacbon gồm: 6 proton, 6 nơtron và 6 electron, khối lượng 1 mol nguyên tử cacbon là 18 u.

English:

Given that the carbon atom consists of: 6 protons, 6 neutrons and 6 electrons, the mass of 1 mole of carbon atom is 18 u

7 0
3 years ago
Reasons why transpiration is important in plant​
bezimeni [28]
Mark Brainliest please

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Check the image attached

Explanation

Explanation:
Transpiration is how water is removed from a plant. Most transpiration happens from the leaves of a plant. Water is absorbed through the root hairs, is transported through the plant due to osmosis, and exits through the stomata and evaporates.


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Why do you get less energy from 100 calories of celery than you would from 100 calories of chips?
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Answer:

chips are a simple carbocarbohydrate and celery is a complex carbocarbohydrate

Explanation:

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