10 questions
A consumer is an organism that
creates new energy.
eats other organisms.
produces wastes.
makes its own food.
_________are consumers.
All plants
Only bacteria
All animals
Only people
Animal species _________ the food sources that they use.
vary greatly in
vary slightly
do not vary in
always change
Consumers can use the materials and energy from food to
grow larger.
stay warm.
reproduce.
all of the above
__________ is not a part of the digestive system.
Stomach
Blood
Mouth
Small intestine
Circulation ________ useful materials, like food and oxygen, throughout the body.
carries
produces
creates
breaks down
Food is broken down into simple materials as it
is processed in the small intestine.
is chewed and mixed with digestive juices.
travels throughout the bloodstream.
absorbs energy from the sun.
Which of the following is a type of waste is created by consumers?
body fat
carbon dioxide
blood vessels
digestive juice
Humans use the energy they consume when they
sleep
move
breathe
all of the above
What is the process of breaking down food into simple materials?
circulation
digestion
consumption
elimination