Which of these types of weathering does not require the presence of water?

O

A. Solution

O

B. Hydrolysis

O

C. Oxidation

O

D. Frost wedging

The hottest part of the earth's interior is the

Which of these resources cannot be harvested from the ocean? a. minerals c. food b. sludge d. energy

Explain how cnidocytes with their nematocysts function in food capture and defense.

Which of the following is NOT one of the main areas of Earth science? A. geology B. oceanography C. astrology D. astronomy

Complete the analogy below. Fertilizer run-off: depletion of oxygen:: ___ : low water flow A) delta formation B) melting ice caps C) sandbar formation D) excessive irrigation

In the following experiment, what is the independent variable? Dr. Honeydew would like to test the effect of chlorine on Beaker's hair color. To test this he pours heavily chlorinated pool water on the right side of Beakers head.

If a small founder population of 12 people ends up on a small island, and one member of the population had a mutation that creates a new allele, what is the likelihood that the allele will be eliminated from the population?

Homologous structures (Group of answer choices): A. are also called analogous structures. B. have identical functions. C. are shared by organisms of the same genus. D. have fully divergent functions. E.

Which of the following is true of an enzyme? (mark all that apply) a. it is a protein b. it is a catalyst c. it binds to many different substances d. it is small compered to its substrates

Which term would be applied to a regulatory condition that occurs when protein is associated with a particular section of DNA and greatly reduces transcription? A) induction B) negative control C) stimulation D) positive control E) activation