Name: _____________________________________
1. Which of the following gases do plants produce as a waste product during
photosynthesis?
a. propane
b. carbon dioxide
c. hydrogen
d. oxygen
2. Tia has labeled the following diagram of a plant. Now she needs to add descriptions
for each of the parts.
Which description should she write for the flower?
a. uses energy from the sun, carbon dioxide, water and nutrients to make food for
the whole plant
b. physically supports the leaves, flowers, and fruit and contains tissues that
transport water and nutrients
c. attracts insects for pollination
d. take in water and nutrients from the soil
3. What is the defining characteristic of a mammal
a. All mammals have hair.
b. All mammals have a backbone
c. All mammal females produce milk
d. All mammal males are strong
4. Look at the labeled cells above. What can be determined from these pictures?
a. The cell on the left is a plant cell because it has a cell wall.
b. The cell on the right is an animal cell because it has centrioles.
c. Both cells have a nucleus.
d. D. All of the above
5. Which organelle is considered the control center of the cell?
a. The nucleus
b. The centriole
c. The chloroplast
d. The vacuole
6. Which organelle is responsible for transforming sunlight and CO2 into glucose and
O2?
a. The nucleus
b. The centriole
c. The chloroplast
d. The vacuole
7. How do decomposers help other organisms survive?
a. Decomposers only consume plants.
b. Decomposers break down bones, feathers, fur, droppings, wood, and dead
plants into nutrients that plants can gather from the soil.
c. Decomposers break down plants into pieces that omnivores can digest.
d. Bacteria and fungi are decomposers.
Look at the following food web; Answer questions 8-10
8. Which organisms are producers?
a. red fox, red-tailed hawk, and great horned owl
b. red fox and blue jay
c. oak tree, blackberry bush, and grass
d. oak tree, mouse, red-tailed hawk, and great horned owl
9. Which organisms are omnivores?
a. blue jay and red fox
b. mouse, blue jay, and grasshopper
c. red fox and great horned owl
d. grass, grasshopper, spider, blue jay, and great horned owl
10. Which is a logical food chain from this food web?
a. oak tree → blackberry bush → grass
b. oak tree → mouse → red tailed hawk → great horned owl
c. blackberry bush → mouse → red fox → oak tree
d. grasshopper → blue jay → mouse → oak tree
11. Consider the food chain below.
grass → grasshopper → spider
What might happen if the spiders were taken away?
a. The grasshopper population might increase.
b. More grass might be eaten.
c. Grass might eventually become scarce.
d. All of the above
12. Where would you most likely find a polar bear?
a. In the desert
b. In the Redwood Forest
c. In the savannah
d. On a polar cap
13. Look at the picture of the dog below.
Which of the following characteristics is least likely inherited from the dog’s parents?
a. his short legs
b. his short fur
c. his yellow balloon
d. his long body
14. Bears living in national parks have learned to look for food left out at campsites. This
is an example of
a. the bear wanting to keep the park clean.
b. the bear adapting to changes in its environment.
c. the bear being tamed by humans.
d. the bear becoming an herbivore.