The struggle between organisms for limited resources like food, water, and shelter.

The process used by plants and other organisms to convert light energy into chemical energy.

An animal that eats only other animals (meat).

A consumer that eats only plants.

An organism, like fungi or bacteria, that breaks down dead organisms and returns nutrients to the soil.

All the different populations of organisms that live and interact in the same area.

A large ecological area with similar climate and a specific set of plants and animals (e.g., deserts, forests, grasslands).

The green pigment in plants that absorbs sunlight during photosynthesis.

An animal that is hunted and eaten by another animal.

An organism that gets its energy by eating other organisms.

A system of multiple, interconnected food chains that show how energy flows through an ecosystem.

A single path of energy transfer from one organism to another, showing who eats what.

Any individual living thing, such as a plant, animal, or bacteria.

An animal that hunts and eats other animals.

Nonliving parts of an ecosystem, such as sunlight, soil, water, and air.

Living or once-living parts of an ecosystem, such as plants, animals, and fungi.

The ability to do work or cause change. In ecosystems, it is transferred through food chains and webs.

An organism, like fungi or bacteria, that breaks down dead organisms and returns nutrients to the soil.

A consumer that eats only plants.

The process used by plants and other organisms to convert light energy into chemical energy.

An animal that eats only other animals (meat).

The specific place or type of environment where an organism lives.

The struggle between organisms for limited resources like food, water, and shelter.

An animal that is hunted and eaten by another animal.

Nonliving parts of an ecosystem, such as sunlight, soil, water, and air.

A system of multiple, interconnected food chains that show how energy flows through an ecosystem.

A non-native species introduced to an ecosystem that can cause harm to the environment or other organisms.

An animal that hunts and eats other animals.

The green pigment in plants that absorbs sunlight during photosynthesis.

All the different populations of organisms that live and interact in the same area.

A type of consumer that eats both plants and other animals.

The ability to do work or cause change. In ecosystems, it is transferred through food chains and webs.