Environmental Science Ecosystem Test review

When an animal's heart rate drops, its breathing slows and the body temperature drops, what is usually occurring during these times?

• dormancy

• hibernation

• a stroke

• being threatened by another animal

In cold winter months, plants usually do this.

• hibernation

• dormancy

• migration

• chemosynthesis

Which of the following would be excluded from an ecosystem?

• The Sun

• plants

• rain

• all are part of the ecosystem

All of the turtles in a given ecosystem make up a -

• organism

• population

• community

• biosphere

All of the animals in the picture make up -

• population

• community

• ecosystem

• biosphere

Which of the following can the destruction of a habitat result in?

• loss of a species

• increased saturation of soil

• decrease in available sunlight

• increased land to hunt on

Why does an organism need its environment

• it can obtain food from other organisms

• to gain shelter during storms

• to attain a loving family environment

• to get away from the stress of life

What do animals conserve by hibernating?

• longer life span

• energy

• leaves more animals to hunt

• allows oxygen to accumulate in the atmosphere

All living things require which of the following?

• a mate

• the sun

• water

• energy

A rock is an example of which of the following

• a biotic factor

• an abiotic factor