Photosynthesis and respiration are processes that occur within cells. The two processes complement each other by providing what the other needs. What is the primary contribution of photosynthesis? Group of answer choices

A. To create energy for plant functions.

B. To release energy for cellular functions.

C. To store energy that is needed for cellular functions.

D. To metabolize energy produced by plant cells.

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.

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