concept2 unit 1 g5 first term

1. A community that includes living organisms and nonliving things is known as.......................

• a. digestive system.

• b. respiratory system.

• c. ecosystem.

• d. vascular system.

2. The interaction that is present in an ecosystem occurs between......................................

• a. digestive system.

• b. respiratory system.

• c. ecosystem.

• d. vascular system.

3. Hawks get their energy by eating..................................

• a. plants only.

• b. animals only.

• c. plants and animals.

• d. nonliving things.

4 Rabbit can be eaten by all the following living organisms, except...............................

• a. hawk.

• b. caracal.

• c. grass.

• d. eagle.

5. All the following are considered as a source of energy for hawks, except........................

• a. snakes.

• b. birds.

• c. squirrels.

• d. seeds.

6. There is an energy flow between all the following two living organisms, except..................................

• a. a lion and a deer.

• b. a tomato plant and a potato plant.

• c. a human and a fish.

• d. a hawk and a mouse.

7. Caracal obtains its energy by eating..........................................

• a. shark.

• b. grass.

• c. mice.

• d. butterfly.