| A | B |
|---|
| sexual reproduction | male and female reproductive cells combine, forming offspring with genetics from both cells |
| organ | a structure that is made up of different tissues |
| organism | a living thing made up of one or many cells, that grows and reproduces |
| organ system | a group of organs that perform a function that meets the body's needs for energy and materials |
| tissue | a group of cells that work together |
| abiotic | nonliving part of ecosystem |
| asexual reproduction | single organism produces offspring of same genetic material |
| biotic | living part of ecosystem |
| cell | basic unit of life |
| microscope | tool used to magnify objects |
