science reviewer 2nd summative test 2nd term

Ecosystem

A community of living things interacting with one another and their nonliving environment.

Relationship of Ecosystem

The way living and nonliving things depend on and interact with each other.

Living Things

Organisms such as plants, animals, and microorganisms.

Nonliving Things

Things that are not alive, such as water, air, sunlight, and soil.

Aquatic Ecosystem

An ecosystem found in water, such as oceans, rivers, lakes, and ponds.

Freshwater Ecosystem

Aquatic ecosystem found in water with little or no salt, such as rivers and lakes.

Terrestrial Ecosystem

An ecosystem found on land, such as forests, grasslands, and deserts.

Forest Ecosystem

A terrestrial ecosystem with many trees and different kinds of plants and animals.

Grassland Ecosystem

A land ecosystem dominated by grasses and few trees.

Desert Ecosystem

A terrestrial ecosystem that receives very little rainfall.

Protection of Ecosystems

Keeping ecosystems safe from damage and harmful human activities.

Conservation of Ecosystems

The careful use and protection of natural resources and habitats.

Ways to Protect Ecosystems

Planting trees, avoiding pollution, recycling, and protecting wildlife.

Importance of Ecosystems

They provide food, water, shelter, and a suitable place for living things