A plant's response to the position of the sun in the sky is termed

a. photoperiodism.

b. heliotropism.

c. phototropism.

d. thigmotropism.

Consider what you have learned about animal behavior, and explain the following about group behavior: how it influences an individual animal's ability to survive and reproduce how it influences a species' ability to survive and reproduce

Classification of protozoa

The term used to identify conditions that are brief and severe is:

Match each event with its description. full moon The moon is fully visible to observers on Earth. new moon The moon lies between Earth and the sun, but does not block light from reaching Earth.

The factor that an experimenter is measuring or counting in an experiment is called the independent variable. dependent variable. control variable. hypothesis.

Why can't you use visible light to "see" molecules?

A system to maintain homeostasis must have at least four parts that function together. name these abd bruefly explain what each one does

Which of the following is a sac fungus? A rhizopus, B candida C penicillium notatum

What are the stop codons

One factor that can increase sensitivity to sunlight is genetics. a. True b. False