To raise an arm upward, the muscle on one side of it contracts. What happens to the muscle on the opposite side of the arm? contracts relaxes both contracts and relaxes neither contracts nor relaxes

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.

Ineed the answer asap. in order to be considered alive, an organism must simultaneously possess the characteristics of homeostasis, heredity, cells, reproduction, and

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.