Answer:
Indicator species, organism—often a microorganism or a plant—that serves as a measure of the environmental conditions that exist in a given locale. ... For example, greasewood indicates saline soil; mosses often indicate acid soil. Tubifex worms indicate oxygen-poor and stagnant water unfit to drink.
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Explanation:
1- in passive transport there are 3types. One is diffusion, in which a molecule from the area of higher concentrations moves towards the area of lower concentration. Because diffusion is a type of passive transport that's why it is included in the method of it.
2- glucose is the simplest form of sugar. It moves from the cell membrane through the process of diffusion. Outside the cell level of glucose or it's concentration is high and inside the cell it's concentration is low. Though diffusion process glucose moves from the area of higher concentration to the lower concentration.
Answer:
The tilt of Earth's axis affects the angle of sunlight on Earths surface.
Explanation: