Ecosystems Practice 2023-24

Which of the following is NOT an abiotic factor in an ecosystem?

• Climate

• Rainfall

• Animals

• Soil

Answer explanation

Abiotic factors are the NON-LIVING parts of an ecosystem.

Which of the following is NOT a biotic factor in this pond ecosystem?

• Temperature

• Frog

• Lily pad

• Fish

Answer explanation

Biotic factors are the living parts of an ecosystem, such as plants and animals.

All the members of the same type of organism (they do not have to live in the same area) is called a ____________________.

• Community

• Ecosystem

• Population

• Species

Answer explanation

All the physical, non-living, surroundings of an organism such as water, soil, rocks, and air.

• Community

• Environment

• Population

• Species

Answer explanation

All the different populations that live in the same area at the same time.

• Community

• Environment

• Population

• Species

Answer explanation

All the members of a species that lives in the same area at the same time.

• Community

• Ecosystem

• Population

• Species

Answer explanation

Which of the following is a terrestrial ecosystem?

• Lake Erie

• Amazon Rainforest

• Atlantic Ocean

• Mississippi River

Answer explanation

Terrestrial ecosystems are found on land.

Which of the following is an aquatic ecosystem?

• Mount Washington

• Sahara Desert

• Great Plains

• Gulf of Mexico

Answer explanation

Aquatic ecosystems can be freshwater or saltwater.

These consumers only eat animals.

• Carnivore

• Herbivore

• Omnivore

Answer explanation

These consumers eat both animals and plants.

• Carnivore

• Herbivore

• Omnivore

Answer explanation