Which population increases the amount of soil nutrients available to plants? a. a dog that buries a bone in the backyard. b. rain forest plants that grow toward the light. c. a butterfly that pollinates a flower when eating nectar. d. earthworms that decompose an apple that fell from a tree.

Blood made up of red and white blood cells work together to form

Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.

Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as