Answer is B
Explanation : Plant cells are enclosed by a rigid cell wall. When the plant cell is placed in a hypotonic solution , it takes up water by osmosis and starts to swell, but the cell wall prevents it from bursting. ... This liquid or hydrostatic pressure called the turgor pressure prevents further net intake of water .
Answer: Uniformitarianism, states that the geological processes that take place today would have taken place in the past and it will continue in future as well.
Darwin suggested that the the evolution takes place over a period of time. It takes time to change and this change takes time.
Both the laws states the same thing, that the geological processes and the process of evolution takes place over a period of time and does not takes place rapidly.
Sorry about the other person I reported her answer.
The answer is A. This is the only grassland competition.
Answer:
Sperm-egg interaction
Explanation:
The formation of fertilization envelope is well-studied on the model system- sea urchin. It has been shown that, the fertilization envelope is formed after the initial sperm-egg interaction from the egg surface vitelline envelope and the paracrystalline protein fraction which is derived from cortical granules. Secretion from cortical granules, prevents polyspermy.
Trophic Levels describe the transfer and different stages of the organisms transferring energy. I just called it Trophic level energy flow in school.
