Ques: Q: When cats mark their territory by rubbing their face against an object, they deposit chemicals released by what structures? Choices: - whiskers - pituitary glands - taste buds - scent glands A:
Ans: scent glands

Ques: Q: What is a measurement of the amount of variation of the species in a given area called? Choices: - ecosystem - population - degradation - biodiversity A:
Ans: biodiversity

Ques: Q: Hormones vary widely in molecular size and type as well as? Choices: - simple regulators - strange regulators - foreign regulators - local regulators A:
Ans: local regulators

Ques: Q: What is the transfer of energy by waves called? Choices: - vibration - convection - evaporation - radiation A:
Ans:
radiation