Ecology Terms Practice

Define ecosystem.

• A community of living organisms and their interactions with their environment.

• A type of biome characterized by its climate and geography.

• A group of organisms that can interbreed and produce fertile offspring.

• An artificial environment created for scientific research.

What is the biosphere?

• The global sum of all ecosystems; the zone of life on Earth.

• A layer of the Earth's atmosphere.

• The process of photosynthesis in plants.

• The study of living organisms and their interactions.

What is a community in ecology?

• A group of different species living together in one area.

• A single species living in isolation.

• A collection of abiotic factors in an environment.

• A group of organisms of the same species in a habitat.

What is an abiotic factor?

• A living organism that interacts with other organisms.

• A non-living part of the environment that affects living organisms.

• A type of biotic factor that influences ecosystems.

• A chemical substance that is essential for life.

What is a food chain?

• A cycle of water in the environment.

• A series of organisms each dependent on the next as a source of food.

• A method of cooking food.

• A type of food preservation technique.

What is a trophic level?

• The position an organism occupies in a food chain.

• A type of ecosystem.

• The amount of energy transferred between organisms.

• The classification of organisms based on their habitat.

Ecology is

• The study of the role of organisms in their environment.

• The study of chemical processes in living organisms.

• The study of the physical structure of organisms.

• The study of the interactions between different species.

What is an organism?

• A single living thing.

• A group of living things.

• A non-living entity.

• A type of environment.

What does biotic mean?

• Non-living factors in the environment.

• Living factors in the environment.

• Factors that are man-made.

• Factors that are chemical in nature.

What is a population?

• A group of organisms of the same species living in the same area.

• A collection of different species in a habitat.

• A group of organisms that can interbreed.

• A random sample of individuals from a larger group.