The population of white pines on his land in 2015 was 40. After last weekend the population is 155. Find the growth rate.

Which of the following best describes homeostasis? a. keeping the internal environment in a stable state b. keeping the external environment in a stable state c. beneficial characteristics resulting from mutation d. reproduction that results in offspring identical to the parent.

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?