| A | B |
|---|
| cell | the smallest unit of a living thing, the building blocks of life |
| matter | anything living or non-living that has mass and takes up space |
| nucleus | the control center of a cell |
| cytoplasm | liquid in a cell that contains what a cell needs to carry out processes |
| chloroplast | a special part of a plant that traps the energy in sunlight for making food |
| genus | a group that contains similar related animals |
| species | a group of similar organisms that can reproduce |
| vertebrate | animals with a backbone |
| invertebrate | animal without a backbone |
