Mammals have well-developed brains that are more specialized than any other class of animals.

True

False

What procedure describes the external filtration of blood to remove toxic substances when kidneys fail?

Why don't some small aquatic animals need a circulatory system?

Which system lowers heart rate, decreases blood pressure, and stimulates digestion?

Four types of functional groups?

What is the relationship between biodiversity and ecosystem stability?

What are at least 5 important words associated with the water cycle? What do they mean? Why are they important?

Which of the following organisms is NOT a protist? a. water molds c. Amoebas (protozoans) b. Escherichia coli d. Diatoms (algae)

A 56 year-old pro golfer is having mohs micrographic surgery for skin cancer on his forehead. the surgeon performs the surgery with two stages. the first stage includes 4 tissue blocks and the second stage includes 6 tissue blocks.

13. Excess salt is removed from the body through sweat glands in the skin, This is an interaction between systems.

a cell with 5% salt concentration is placed in a beaker with 1% salt concentration. what will happen to the cell over time