Adaptation and Survival - lesson5

1

Both of human and fish.........

can breathe in water.

can breathe in air.

use oxygen gas to breathe in.

use carbon dioxide gas to breathe in.

2

Fish use......... to breathe in water.

gills

eyes

tail

lungs

3

Gills differ from lungs, in that gills.........

expel out carbon dioxide gas.

take in oxygen gas.

extract oxygen gas from air.

extract oxygen gas from water.

4

Gills in fish are considered as.........

camouflage adaptation.

structural adaptation.

behavioral and structural adaptation.

behavioral adaptation.

5

Changes that occur slowly to the environment,.........

cause many organisms to die.

cause many organisms to disappear.

cause many organisms to respire.

give a chance to the organisms for adaptation.

6

Rapid changes that occur to the ecosystem, done by...........

animal activities.

human activities.

starred agama.

arctic foxes.

7

Human can negatively affect the nature by all of the following activities, except............

removing air pollutants.

cutting down forests.

throwing wastes in waterways.

plowing grasslands.

8

Human activities and bad habits, can pollute......... of an ecosystem.

air and soil only

soil and waterways only

air and waterways only

air, soil and waterways

9

Pollution of an ecosystem, can affect.........

animals and humans only.

humans and plants only.

plants, animals and humans.

plants and animals only.

10

If an ecosystem is severely polluted, some animals can survive.........

by decreasing the rate of breathing.

by increasing the rate of breathing.

by increasing the rate of heart beats.

by moving to another suitable ecosystem.

11

If the environment is slowly changed, plants............ to survive and grow.

must land their seeds in another better place

must have buttress roots

must decrease their adaptation

must have a taproot

12

Wildfires is most dangerous for plants rather than animals, because.........

plants cannot move at all.

animals can adapt with fires.

animals can grow easily.

plants can grow rapidly.

13

When the air pollution is high over a long period of time,.......... may occur to human.

lung damages and asthma

heart problems and wounds

lung damages and wounds

asthma and wounds

14

Human can help restoring ecosystem by all of the following activities, except..........

preserving existed plants and animals.

removing air and water pollutants.

producing more factories exhaust.

replanting the cleared forests.

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