Topic 5 Test Review: Ecosystems

What do we call organisms that capture the sun's energy to make food?

• producers

• herbivores

• decomposer

• consumers

What does emigration mean?

• moving into a population

• moving out of a population

Many overlapping food chains in an ecosystem made up a ________________.

If an owl eats a mouse that has eaten grass, the owl is a _____________.

• first level consumer

• omnivore

• second level consumer

• first order stormtrooper

What is the main way populations increase in size?

• organisms immigrate into the population

• organisms are born into the population

• there are less predators

• the death rate is higher than the birth rade

Second level consumers can be either carnivores or _____________.

Rain, snow, sleet and hail are examples of ____________.

• condensation

• Songs written by the Beatles.

• evaporation

• precipitation

What three things must an organism's habitat provide?

• food, predators, space

• water, friends, climate

• food, water, shelter

• shelter, predators, prey

An organism's _____________ is made up of all biotic and abiotic factors.

• habitat

• ecosystem

• life

• biology

True or False: Oxygen is a BIOTIC factor.