Changes to Materials

Photosynthesis

The process by which green plants and some organisms use sunlight to synthesize foods with the help of chlorophyll.

Cellular Respiration

The biochemical process in which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Ecosystem

A biological community of interacting organisms and their physical environment.

Biodiversity

The variety of life in the world or in a particular habitat or ecosystem.

Homeostasis

The ability of an organism or environment to maintain stability in response to changes.

Natural Selection

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Mutations

Changes in the DNA sequence that can lead to changes in phenotype and potentially affect survival.

Habitat

The natural home or environment of an organism.

Food Chain

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Trophic Levels

The hierarchical levels in an ecosystem, comprising producers, consumers, and decomposers.