An experiment is designed to see the differences between the experimental group and the control group.
Answer:
compact bone and ligaments.
Explanation:
The plant light cycle refers to the cycle of light and darkness in which a plant receives. Different durations of light and darkness will affect how plants grow, whether they bloom or not, and other elements.
A niche is a specie's function in its habitat or its level on the food chain, so two species competing at the same level for the same food and habitat eventually one species will have to migrate or starve due to lack of food.