These organisms develop inside a fluid filled sac.

amphibians

amniotes

fish

salamanders

A submarine robot is operating near the ocean floor. What pressure and temperature data will it most likely record?

suppose a cell were exposed to a drug that caused transport proteins in the cell membrane to stop working. what would happen to the cell?

Which of the following would most likely cause an increase in the number of anaerobic bacteria in a pond? A. a decrease in the number of aerobic bacteria in the pond B. a decrease in the amount of oxygen dissolved in the pond C.

The only unpaired connective tissue structure of the diaphragm is:

What is a mass extinction? How many have occurred in the last 600 million years?

A cross section of a tree bunk shows 20 dark colored rings and 20 light colored rings what is the likely age of this tree

What side of the body is your appendix on?

Which principle was used to gather evidence that led to the big bang theory? A. Doppler shift B. radiocarbon dating C. first law of thermodynamics D. law of gravity

Ice ages can cause the extinction of animals because lack of

Which of the following is a common feature among the four inner planets? A. atmosphere composition B. distance from the sun C. rocky surface D. temperature range