Nitrogen-fixing bacteria live in protective nodules (bumps) on the roots of some plants. These bacteria are able to convert gaseous nitrogen from the air into a form of nitrogen that the plants can use. Which type of relationship is this?

A cherry tree is an example of a

What is the process by which plants convert carbon dioxide into energy-rich carbon compounds?

The bacterium commonly responsible for impetigo is

Suppose that an ecosystem experience a decline in a major species of consumer. How might the ecosystem food web be affected?

These notes were taken during a class about biological evolution, but the subject title is missing. -results from immigration -new genes brought into a population -variation in a population increases What do the notes describe? A. gene flow B.

Which of these is NOT a reproductive isolating mechanism? geographic temporal behavioral all of these are reproductive isolating mechanisms

What type of intrusive igneous rock texture has the largest crystals

Between x = 2 and x = 3, which function has a larger average rate of change than f (x) = 2x has? A) g (x) = (2/3) - x B) k (x) = 5x-2 C) h (x) = 4x-1 D) j (x) = (1/2) - x+1

How can we unlock the 90% of our brain that we never use

Defining neuron, the structure of neurons, the function, and how neurons communicate with each other and the outside world.