Which statement describes predators? They provide energy for other organisms.
They get energy from the Sun for other organisms.
They obtain energy from dead organisms.
They hunt other organisms to obtain energy

What are the two main phases of a cell cycle

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.

The big bang theory suggest that the universe is about - 300 million years old - 4.6 billion years old - 30 billion years old - 13 billion years old