ECOLOGY

Organisms that consume autotrophs only are known as

• carnivores

• omnivores

• predators

• herbivores

Which of the following BEST describes a population?

• All the cows and horses on a farm.

• All the rose plants in a garden.

• All the sand and dirt in the field.

• All the lions, zebras and buffaloes in a grassland.

On a test, students were asked; "what is a community of organisms interacting with the existing abiotic components?" What is the BEST possible answer?

• geology

• ecosystem

• symbiosis

• community

The source of energy for almost all life on Earth is:

• water

• sunlight

• animals

• producers

An example of a biotic factor in a forest ecosystem is:

• rock

• fox

• water

• sandy soil

The natural world that surrounds an organism is called the organism's:

• home

• shelter

• nutrients

• environment

The study of how living things interact with its environment is called:

• ecology

• abiotic factor

• ecosystem

• food chain

Which of the following make up an ecosystem?:

• biotic factors only

• abiotic factors only

• biotic and abiotic factors

• biotic, abiotic and fungi

The bottom level of a food chain is represented by:

• producers

• consumers

• decomposers

• scavengers

In a lake, which of the following is a consumer?:

• a frog

• algae

• water lily

• cattails