2.2 Interactions of Living Things

The picture shows living things in an ecosystem. Which organism is a producer?

• mouse
• eagle
• grass
• caterpillar

Predators hunt _____________ and help control the size of the populations of these organisms.

• predator
• prey
• producer
• invasive species

An animal who hunts and kills its own food is called a(n) _____.

• predator
• scavenger
• producer
• omnivore

An __________ species can harm the environment by growing and spreading quickly in an area.

• predator
• prey
• invasive
• secondary

This animal is a predator. If a predator is removed from an ecosystem, then _____________

• the population of predators will likely increase.
• the population of prey will increase.
• the population of prey will decrease.
• the population of predators will not be affected.

The physical part of the ecosystem that meets the needs of an organism is called:

• role
• habitat
• ecosystem
• population

Which are living parts of an ecosystem? Select all that apply.

• fungus
• sun
• tree
• fly
• rock

Water is ______________ factor.

• condensation
• evaporation
• abiotic
• biotic

Which of the following is not an abiotic factor?

• rocks
• air
• animal
• water

Which of the following would be considered to be prey?

• an animal that has to hunt for its food
• an organism that makes it own food
• an animal that is eaten by another animal
• an organism that feeds on the blood of another animal