The two kingdoms that contain only heterotrophs are animals and...

The process of change that occurs during an organism's life to produce a more complex organism is called...

A structure that is found in plant cells but not in animal cells is a...

Which of the following is not one of the four kingdoms of eukaryotes?

The dense portion of some cells containing nucleic acids is called the...

The region between the cell membrane and the nucleus is called the...

A group of organisms that can mate with each other and produce offspring that can also mate and reproduce is called a(n)...

Which organelles convert energy in food molecules into energy the cell can use?

A change in an organism's environment that causes a reaction is called a(n)...

An organism is a(n) __________ if it can make its own food.

A belief in __________ was disproved when Francesco Redi performed experiments to show that flies do not arise from meat.

__________ are the basic unit of structure and function in living things.

The scientific study of how things are classified is called...

The first word of an organism's scientific name indicates the __________.

Chloroplasts are found only in the cells of fungi and some other organisms.

An organism that is made up of many cells is unicellular.

An organism whose cells contain nuclei is called a eukaryote.

The domains of bacteria and protists contain only prokaryotes.

Food, water, living space, and stable internal conditions are basic needs of living things.