TEST ON BIO

Ecosystem

The area where living and nonliving things interact with each other.

Abiotic factors

Nonliving things in an ecosystem such as water, sunlight, rocks, and soil.

Autotrophs

Organisms that make their own food using light, water, and carbon dioxide (Producers).

Heterotrophs

Organisms that feed on other organisms (Consumers).

Decomposers

Organisms that break down dead plants and animals into carbon and nitrogen, keeping the soil healthy.

Trophic levels

Positions that organisms have in a food web, indicating the flow of energy.

Carrying capacity

The maximum number of organisms that an environment can support based on available resources.

Biodiversity

The variety of life on Earth, which increases ecosystem stability and the chance of survival through environmental changes.

Ecological succession

The process where one ecological community changes the environment, making it suitable for another community.

Primary consumers

Organisms that eat producers (herbivores).

Secondary consumers

Organisms that eat primary consumers (carnivores or omnivores).

Tertiary consumers

Top predators that eat secondary consumers.

Limiting factors

Elements such as light intensity, climate, and mineral availability that keep populations in check.