Assume tall (t) is dominant to dwarf (t). if a homozygous dominant individual is crossed with a homozygous
dwarf, the offspring will have what ratio?

What does homeostasis means in biology?

List five ways we are indebted to phytoplankton

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.