Scientists have studied the fossilized shells of prehistoric, single-celled marine organisms. Some of these shells were thin, which
indicates that the organisms lived in very warm ocean water. Such evidence indicates that the climate during this time may have been
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How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?

Explain how the parts of the peripheral nervous system work with the central nervous system to produce a response to the stimulus

The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales