Decomposers include earthworms, small soil beetles, fungi, and bacteria. A food web shows how food chains overlap. The same three types of organisms are in food webs: producers, consumers and decomposers. Good food webs should also include the sun as the initial source of energy.
Diffusion occurs. because of the status of movement
Answer:
3) Fertilization membrane.
Explanation:
When sperm cell fertilizes an egg cell, signal transdution occurs which causes fertilization membrane to be formed. Ovum thickens and hardens the vetelline membrane causing separation and prevents multiple fertilization by the spermatozoon.
