ECOSYSTEM - FORM 2 (CHAPTER 2)

1.

Multiple Choice

45 sec

1 pt

A ______________ is a group of organisms of the same species that live in the same habitat.

ecosystem

community

niche

population

2.

Multiple Choice

45 sec

1 pt

2 way relationship between organisms where both species are benefiting...

symbiosis

succession

niche

predator

3.

Multiple Choice

45 sec

1 pt

A large group of living things that live in the same area and have mutual interaction with one another.

prey

symbiosis

population

community

4.

Multiple Choice

45 sec

1 pt

What is a predator?

the hunted

the hunter

5.

Multiple Choice

45 sec

1 pt

A parasite is an organism that feeds off another organism

True

False

6.

Multiple Choice

45 sec

1 pt

How are people trying to restore Earth's natural resources?

covering landfills with soil and planting grasses

planting trees

creating parks for wildlife

all of the above

7.

Multiple Choice

45 sec

1 pt

A harmful substance that is added to the environment is called?

food

grass

pollution

basketball

8.

Multiple Choice

45 sec

1 pt

What are the 3 R's when taking care of our environment?

restore, rocks, rebellion

reduce, reuse, recycle

retake, recycle, recap

reteach, restore, recycle

9.

Multiple Choice

45 sec

1 pt

Interacting group of living and nonliving things in an area

community

ecosystem

population

niche

10.

Multiple Choice

45 sec

1 pt

An organism that produces food by photosynthesis.

Producers

Consumers

Photosynthesis

Saprophytism

11.

Multiple Choice

45 sec

1 pt

The main source of energy for producers.

The sun

Water

Glucose

Carbon dioxide

12.

Multiple Choice

45 sec

1 pt

A consumer that eats only plants.

omnivore

herbivore

carnivore

predator

13.

Multiple Choice

45 sec

1 pt

An organism that eats other organisms.

host

parasite

consumer

decomposer

14.

Multiple Choice

45 sec

1 pt

An organism that is killed and eaten by another organism.

consumer

decomposer

prey

host

15.

Multiple Choice

45 sec

1 pt

A carnivore that feeds on the bodies of dead organisms.

predator

carnivore

scavenger

omnivore

16.

Multiple Choice

45 sec

1 pt

A consumer that eats only animals.

scavenger

carnivore

herbivore

omnivore

17.

Multiple Choice

45 sec

1 pt

An arrangement of interrelated food chains illustrating the flow of energy between interdependent organisms.

predator

food web

ecosystem

food chain

18.

Multiple Choice

45 sec

1 pt

An organism on which a parasite lives.

consumer

host

prey

decomposer

19.

Multiple Choice

45 sec

1 pt

Explain the flow of energy in this food chain (who passes energy to who).

The hawk gives energy to the snake. The snake gives energy to the mouse. The mouse gives energy to the grasshopper who gives energy to the grass.

The mouse gives energy to the hawk. The snake gives energy to the grasshopper. The grass gives energy to the snake.

The grass gives energy to the grasshopper. The grasshopper gives energy to the mouse. The mouse gives energy to the snake who gives energy to the hawk.

20.

Multiple Choice

45 sec

1 pt

Determine the number of food chain in the food web shown.

3

4

5

6

21.

Multiple Choice

45 sec

1 pt

Name the secondary consumer from the food web.

Herring, otter and seal

Pollock, herring and achovies

Otter, dolphin and seal

Pollock, dolphin and anchovies

22.

Multiple Choice

45 sec

1 pt

Estimate the number of hawk if the grasshopper is totally gone?

Decreases

Increases

No change

Extinct

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