Ques: Answer the following question given this paragraph: Some animals deposit chemicals to mark the boundary of their territory. This is why dogs urinate on fire hydrants and other objects. Cats may also mark their territory by depositing chemicals. They have scent glands in their face. They deposit chemicals by rubbing their face against objects. 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: Answer the following question given this paragraph: Biodiversity is a measurement of the amount of variation of the species in a given area. More specifically, biodiversity can be defined as the variety of life and its processes, including the variety of living organisms, the genetic differences among them, and the communities and ecosystems in which they occur. 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: Answer the following question given this paragraph: 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: Answer the following question given this paragraph: Radiation is the transfer of energy by waves. Energy can travel as electromagnetic waves through air or empty space. The Sun's energy travels through space by radiation. After sunlight heats the planet's surface, some heat radiates back into the atmosphere. Q: What is the transfer of energy by waves called? Choices: - vibration - convection - evaporation - radiation A:
Ans:
radiation