Answer:
The atmospheric pressure goes on decreasing as we go up above the sea-level. Therefore, the amount of oxygen also decreases at higher altitude. Due to this reason, mountaineers carry oxygen cylinders with them, while climbing high mountains
Explanation:
Answer:
A zygote can end up with one fewer chromosome than normal because one of the fertilizing gametes was missing a chromosome. This deletion, called nondisjunction, happened while the gamete was forming.
Explanation:
Answer:
This is the diffusion (loss of water vapor) from the stomata (most cases) of a plant to its external environment.
It involves movement of water vapor down the water potential gradients; that is ; from higher water potential inside the leaf to lower water potential in the surrounding environments.
its cools the plant’s internal temperature as water vapour conveys heat out of plants' cells.
Answer:
i believe it's A, C and D but I could be wrong
Explanation:
