Sex cells from two different parents join together to produce a new organism

Passing on characteristics from parents to offspring

Organisms that can't make their own food and must "consume" or feed on other organisms for energy and nutrients

All of the living and non-living things in the same place

The nonliving parts of an ecosystem that interact with an organism

An organism or cell regulating its internal conditions for surviving despite changes in its environment

The gradual change in a species over time, often through adaptations

Group of organisms of one species in the same area

A plant that does not have vascular tissue (such as moss)

Vascular tissue made of tubular cells that transport sugars around (down) to all parts of a plant

A reproductive structure that contains a plant embryo (found in cone plants and fruit/flowering plants)

Female reproductive organ of a flower

A living thing

An organism that feeds by breaking down organic wastes or dead organisms