Biology Test #1

The sum total of all processes in an organism that use energy and simple chemical building blocks to produce large chemicals and structures necessary for life.

This is .....

Logical interpretation based on prior knowledge, experience or evidence.

This is . . .

The maintenance of stable internal conditions.

This is called . . .

The process by which green plants and some other organisms use the energy of sunlight

and simple chemicals to produce their own food.

This is called . . .

An explanation of some part of the natural world that has been thoroughly tested

and is supported by a significant amount of evidence from observation and experiments.

This is called . . .

An abrupt and marked change in the DNA of an organism compared to that of its parents.

This is called . . .

Organisms that depend on other organisms for their food.

These are called . . .

Organisms that make their own energy are called:

• animals

• heterotrophs

• autotrophs

• "Other-feeders"

It is said that most of life on Earth gets its energy from the sun. How is this true for autotrophs?

It is said that most of life on Earth gets its energy from the sun. How is this true for heterotrophs?