Science Vocabulary

4th GradeChapter 1 Classifying Plants and AnimalsColey Hembree

Cell

The smallest unit of a living thing that can perform all life processes.

Nucleus

The control center for the cell

Cytoplasm

Contains the things that the cell needs to carry out its life processes

Chloroplast

The special parts in plant cells that trap the Sun’s energy

Genus

A group of closely related living things.

Species

A group of similar organisms that can mate and produce offspring that can also produce offspring

A horse and donkey are different species, but their offspring, called a mule, cannot reproduce.

Vertebrates

Animals with backbones

Vertebrates

Invertebrates

Animals without backbones