A, brain cells ^-^
hope it helps
Answer;
A Niche is the role a species plays in the ecosystem while a habitat is the physical environment in which a species lives.
Explanation;
-Each organism plays a particular role in its ecosystem. A niche is the role a species plays in the ecosystem. A niche will include the organism's role in the flow of energy through the ecosystem.
-The habitat is the physical area where a species lives, it is described by the abiotic (non living) factors such as climate, sunlight etc. and the biotic factors (living factors).
Answer: Cytoskeleton and cytoplasm
The cytoskeleton is a network of microfilaments that provide structure and support for the cell. You can think of them as the pillars/columns that hold up a house.
The cytoplasm is the aqueous fluid that fills the inside of the cell. This fluid is very important for giving a cell is shape/support. If the cytoplasm was drained out of a cell its shape would collapse like a water balloon losing its water.
Cation. Sodium has 10 electrons with 1 outer valence electron, and outer valence electrons are positive. This means that it will have a charge of +1, and a cation is a positively charged ion that is attracted to the cathode during electrolysis, which is the decomposition (chemically) of something that happens after an electric current passes through it.
The agent of erosion is the pressure
