The leaves of a sensitive plant close whenever any part of the plant is touched because of a?

A. gravitropism

B. phototropism

C. thigmotropism

D. photoperiodism

Australia is one of the driest continents in the world. what is the primary cause of this

Which of the following organisms was/were introduced by humans into the United States or its territories? A. European starling B. zebra mussels C. kudzu D. brown tree snake E. All of the choices are correct

Why is atherosclerosis a problem

In which abdominal organ is water extracted from digested food

Which of these methods is a relatively simple, quick, and cheap method of identifying, isolating, and copying segments of DNA code and thus is the most widely used procedure today?

Over fishing of (blank) led to nations coming together in the early twentieth century to prevent the extinction on these marine creatures.

Which career in marine biology appeals to you the most? Explain the aspects of the job that you find appealing.

Transcription continues even as a cell has entered S-phase. T/F

Changes to rivers and streams can happen naturally, but has increased over the years due to which kind of human activity? A.) Humans build dams and redirect water flow. B.) Humans are using more land for agriculture. C.

How does the atp adp cycle work