Life Science Review Quiz

An organism that gains its energy from consuming producers and consumers is a(n) _________.

• Producer

• Consumer

• Decomposer

• Omnivore

Herbivores only gain their energy by consuming animals.

• True

• False

Why is the sun so important to life?

• It allows animals to see and play.

• It provides the original source of energy it most ecosystems.

• It gives off heat that causes things to energize.

• Life doesn't need the sun.

In order to use chemicals to regulate body systems this system is necessary.

• circulatory

• digestive

• endocrine

• muscular

this is the main organ of the nervous system

• brain

• heart

• lungs

• intestines

this system helps the body get rid of carbon dioxide and brings in oxygen.

• circulatory

• endocrine

• respiratory

• skeletal

A branch of science that studies all living things.

• Life Science

• Earth Science

• Physical Science

A hypothesis is a statement that can be TESTED.

• True

• False

What is the basic building blocks of all living things?

• cell

• tissue

• organ

• organism

What do you call specialized cell parts that perform all cell activities?

• organelles

• cells

• molecules

• cell membrane