Ecosystems (No Biomes) 2019

Which is the best example of an abiotic factor in an ecosystem?

• climate

• trees

• predators

• prey

Which is the best example of a biotic factor in an ecosystem?

• Rocks

• algae

• precipitation

• currents

Which is the best description of an ecosystem?

• includes only organisms of the same species

• all of the populations on Earth

• A community of living organisms plus their abiotic surroundings

• A population of living organisms plus their abiotic surroundings

Which best describes competition in an ecosystem?

• Two different organisms competing for different resources at different times

• Two different organisms competing for the same resource at the same time.

• Two different organisms competing for the same resource at different times.

• Two different organisms competing for different resources at the same time.

An animal must consume food from another source because it cannot make its own. What might this animal be called?

• autotroph

• producer

• consumer

The original source of energy for all living things comes from which of the following:

• Decomposers, which provide energy for consumers

• Consumers, which provide energy for producers

• Producers, which provide energy for consumers

• The sun, which provides energy for producers

Plants are also known as which of the following?

• solar energy

• producers

• consumers

• decomposers

An organism is found at the top of a food chain. What most likely describes its diet?

• mostly meat

• mostly plants

• only plants

• this organism is most likely a producer

An organism takes in sunlight and produces sugar for fuel. Which of the following might it be?

• A dog

• A tree

• An ant

• A snake

A monkey eats a banana. What term best describes the monkey?

• producer

• autotroph

• consumer

• prey