20) if an organism is prokaryotic, it a. Has a cell wall
b. Has chloroplasts
C. Does not have a nucleus
d. Has mitochondria

How can an organ, such as the lungs, work for multiple body systems?

Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***

The color of the fur is the genotypephenotype.the genetic combination of alleles that determine the fur color is called the genotypephenotype.