Ecosystems: Nature in Balance
Name __________________________
Directions: Print out these questions. Click on the
picture to watch a video about ecosystems. After the
video, answer the questions below.
1. An ecosystem cannot vary in size.
A) true
B) false
2. A food web is when food is shared by many
different things.
A) true
B) false
3. A group of plants and animals living together is called a:
A) family.
B) pod.
C) community.
D) tribe.
4. Bees help plants reproduce by:
A) carrying pollen from plant to plant.
B) stinging any predators that might harm the plants.
C) carrying honey to feed the plants.
D) none of the above.
5. Disturbing one part of an ecosystem:
A) will have no effect on an ecosystem.
B) is necessary for new plant growth.
C) can be disastrous on the other life in the ecosystem.
D) none of the above.
6. Green plants are called producers because they:
A) produce their own energy.
B) give off heat.
C) produce more green plants.
D) make their own food.
7. Animals that cannot make their own food and must live and
feed off of other plants and animals are called:
A) herbivores.
B) carnivores.
C) producers.
D) consumers.
8. Bacteria and fungi are important to an ecosystem because
they:
A) provide food for animals.
B) protect plants from being eaten by animals.
C) shelter plants from the sun during summer.
D) decompose dead materials and waste.
9. An ecosystem is:
A) a system of measuring heat.
B) a group of clouds.
C) a community of plants and animals and where they live.
D) none of the above.
10. What are non-living materials of an ecosystem?
A) birds, spiders, trees
B) soil, air, water
C) plants, bees, humans
D) fish, insects, fungi