What do you call a forest that has not been disturbed by natural disasters or human activities in several hundred years? A. A tree plantation B. A second-growth forest C. An old-growth forest D. A tree farm

Which of the following is NOT true about bacteria? A. Bacteria can be autotrophic or heterotrophic. B. Bacteria are prokaryotes. C. Bacteria have a cell nucleus. D. Bacteria are unicellular

The bladder is an organ in the excretory system. What is the function of the bladder? A. to take in oxygen and excrete carbon dioxide B. to break down food into useful nutrients C. to pump blood throughout the body D.

Match the given changes in the ecosystem to their causes.

It is never a good idea to water house plants with salty water. The plants would most likely die depending on how much of the solution is used. How would salt water most likely effect plant cells? Group of answer choices

Does brain size matter intelligency

Suppose you have seismograph data from two recording stations for an earthquake. You have calculated the distance of the epicenter from each station, which is indicated with the circles shown below.

Which best describes the interaction between DNA and RNA during protein synthesis?

Who gave the brain its name

If the mother is homozygous recessive for the trait and the father is heterozygous, what are the chances their child will have a short big toe? A. 75% B. 50% C. 0% D. 25%

Give one example of homology and explain why homology is evidence for evolution.