Which of the following plant types complete their life cycle in 2 years?

A) annuals only
B) annuals and perennials
C) biennials only
D) perennials only


C

Biology & Microbiology

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The highest level of the hierarchy of life is the ____

a. population b. biosphere c. ecosystem d. multicellular organism e. cell

Biology & Microbiology

Behaviors that appear to be genetically programmed are called

A. voluntary. B. fixed action patterns. C. ultimate. D. reflexes. E. innate.

Biology & Microbiology

Why is it so hard to make definite predictions about the amount and timing of global warming as a result of greenhouse gases?

What will be an ideal response?

Biology & Microbiology

Green and yellow wavelengths of light are useless to most plants.

a. true b. false

Biology & Microbiology