What is a clone? a. A genetically modified plant
b. An animal that has been cured of a genetic disease
c. A genetically identical copy of an organism
d. A new species created by genetic engineering

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?