Which observation led charles darwin to suspect that organisms change over time?

A new experimental drug has been invented that has the potential to cure patients who are dying from leukemia. If the drug has not yet been authorized for use, would it be ethical for a doctor to use it in order to save his patients? A.

What are some possible ways to study for AP biology?

How would you expect a bacterium near the end of a binary fission to look

A "producer" in an ecosystem is: A) the sun's energy B) a plant C) a herbivore D) a carnivore E) an omnivore

Somebody can tell me what cells the Venus fly trap have I need

In this biome you will find many evergreens tree. They don't lose their leaves and they are triangle shaped so their branches won't hold snow and break. This biome is found in Canada and Russia what biome is this?

The drought alone did not cause the dust bowl. It was combination of several things, the drought and

Ecology is made up of

Why does a temperature inversion trap smog and prevent it from dispersing

Turgor pressure is the result of: A) the activity of the contractile vacuole. B) water accumulation within a cell. C) the rigidity of the plasma membrane. D) All of these choices are correct.