If you crossed two pink (RW) birds, what would be the phenotype of the offspring?

When plants use sunlight to make food, the energy of sunlight is

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.

There are only about 250,000 known fossil species. true or false