ECOLOGY M3 Test 1

Which of the following best describes what a POPULATION is?

• Organisms of the same species that reproduce and live in a particular habitat

• Different groups of organism living together in a habitat

• Living things interacting with non-living components in the environment

Which of the following best describes what a COMMUNITY is?

• Organisms of the same species that reproduce and live in a particular habitat

• Different groups of organism living together in a habitat

• Living things interacting with non-living components in the environment

Tick examples of ABIOTIC components of an ecosystem

• bacteria

• rocks

• plants

• sunlight

• plastics

Tick examples of BIOTIC components of an ecosystem

• water

• soil

• fungi

• decomposers

• animals

Tick examples of artificial ecosystems

• mountain range

• animal farm

• aquarium

• river

• grasslands

Where is the habitat of the following organism?

Where is the habitat of the following organism?

Which of the following best represents MUTUALISM?

• (+ , 0 )

• ( + , - )

• ( + , + )

• ( - , - )

Which best describes MUTUALISM?

• the relationship where an animal captures and eats another animal

• the relationship where both animals are harmed

• the relationship where one organism benefits and the other is unharmed

• the relationship where both organism benefits

In this type of interaction, the bear is called the....?