Why do the absorption spectrum for chlorophyll and the action spectrum for photosynthesis coincide?

In most natural populations rapid exponential growth is unsustainable. As populations increase, environmental resistance causes the growth rate to slow down, until carrying capacity is reached.

Methapyrilene, once an active ingredient in certain over-the-counter sleeping pills, was found to be a potent carcinogen (a substance that causes cancer). the pills were also found to be about as effective as placeboes in promoting sleep.

Which statement best describes how reproduction leads to natural selection in a population?

Pencillin is isolated from

Describe 3 main features inside a prokaryotic cell

species composition is used to describe the amount of each species in an area has while species diversity is used to describe the number of species found in an area. True or false.

Sometimes, samples can be placed directly under a microscope. At other times, it is necessary to add water to the slide and make a wet mount. The steps for preparing a wet mount are shown below.

Which of these have prokaryotic cells? a. snails c. bacteria b. frogs d. food

Which kingdom is prokaryotic, single cell with peptidoglycan in their cell walls

Which sentence describes energy flow through a natural system? A strong wind blows across a Midwestern prairie. The wind forces the blades of a wind turbine to rotate. As the blades spin, the turbine converts mechanical energy to electrical energy.