Connective tissue is one of the four traditional classes of tissues and it is a fibrous tissue. Connective tissue can be found throughout the body.

Eubacteria is commonly found in yogurt. Eubacteria turns milk into yogurt after the process of fermentation has occurred.

This plant is exhibiting tropism because it is attempting to grow out of the shade and into the sun. Tropism is the growth or movement of a plant towards or away from an external stimulus.

These weeds are r-strategists because they produce many offspring, have a short life-span, and disperse their offspring widely.

This ant pile represents a population. The ants live together and work together in order to gather food, build a shelter, and survive.