Which of the following is an example of biological weathering?

A

animals burrowing in the ground

B

feldspar reacting with water to form clay

C

water freezing and expanding cracks in a rock

D

acidic water dissolving soluble rocks and minerals

Salmon fish hatcheries add a harmless perfume (morpholine) to a stream when they release young fish. When the fish mature, they attract them back to the home stream by using this chemical (in nature the fish smell the unique odors of soil and trees

Which technological advancement led to the apperance of cell theory in the nineteenth century?

The competitive exclusion principle only applies when the niches of competing species have a high degree of overlap

Most of europe is located in the tropics (between the tropic of cancer and tropic of capricorn). a. True b. False

an animal inherits a mutation in a gene that produces dark pigment proteins that are expressed in the animal's skin tissue. If the mutation terminates the gene's ability to be expressed, what would be the most likely effect on the animal?

What are proteins made up of?

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.