The sucrose moved in sink by active transport.
<h3>What is active transport?</h3>
Active transport is a type of transport in which the cell expends energy to move solutes against their concentration gradients. The sodium-potassium pump is an example of active transport. Active transport differs from passive transport in that the cell does not expend energy.
In this case, the sucrose moves from companion cells in sink elements by active transport. This reduces the water potential of the sink element by osmosis, which increases the hydrostatic pressure.
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Answer: No
Explanation: It is beneficial if the animals that are disadvantageous doesn't reproduce so it doesn't discredit natural selection. The traits in which variation is occured are more suitable for organism to live and reproduce in the environment are preserved and are passed from generation to generation.
However, natural selection effects limited number of progeny.
Answer:
The melting and the form change it a physical change. The chemical change is how it burned
Explanation:
Answer: The plant becomes self-sufficient when leaves grow onto it.
Explanation: The leaves will start photosynthesis instead of the Cotyledons providing nourishment for the seed.
The answer to #1 is C, I think. And the answer to #2 is d. Crust
