Classification of Life Exam Review

What is one way animals maintain homeostasis?

• By reproducing cells in an uncontrolled way

• By eliminating waste through the cell membrane

• By using sunlight to make food

• By breaking down water to make oxygen

How do some cold-blooded animals keep their bodies at a constant temperature in cooler environments?

• By generating their own heat

• By heating themselves in sunlight

• By breaking down water and glucose

• By shivering

Which of the following helps plants maintain homeostasis?

• Hibernation

• Shivering

• Sweating

• Photosynthesis

Which process maintains homeostasis by replacing cells that die or get damaged?

• Cell division
• Cell respiration
• Excretion
• Photosynthesis

Which of the following best defines homeostasis?

• Forming identical cells

• Breaking down glucose

• Maintaining stable internal conditions

• Increasing an organism's temperature

Which of the following best explains why cells remove waste?

• To create energy

• To form identical cells

• To break down glucose

• To maintain homeostasis

Which of the following is the process by which organisms use oxygen to break down glucose to maintain homeostasis?

• Cell division

• Cellular respiration

• Excretion

• Photosynthesis

What is one way homeostasis benefits living organisms?

• It maintains balance.
• It reduces air pollution.
• It increases food consumption.
• It regulates atmospheric temperature.

Patrick wrote the following examples of homeostasis: Which example is not correct?

• Example 1: An athlete sweats and pants after running a race

• Example 2: Animal fur stands erect during cold weather

• Example 3: Blankets are used to keep warm in winter

• Example 4: The hair on our skin stands up straight when we feel cold

Which of the following is an example of homeostasis?

• Humans shiver when it is very cold.
• We cover ourselves with a blanket when it is cold.
• We take a shower to keep the body temperature low.
• An air conditioner keeps the body at a normal temperature.