Adaptation and Survival - lesson5

1

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

can breathe in air.

use oxygen gas to breathe in.

use carbon dioxide gas to breathe in.

can breathe in water.

2

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

lungs

tail

eyes

gills

3

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

take in oxygen gas.

extract oxygen gas from water.

expel out carbon dioxide gas.

extract oxygen gas from air.

4

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

camouflage adaptation.

behavioral and structural adaptation.

behavioral adaptation.

structural adaptation.

5

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

cause many organisms to die.

cause many organisms to disappear.

give a chance to the organisms for adaptation.

cause many organisms to respire.

6

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

human activities.

arctic foxes.

animal activities.

starred agama.

7

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

throwing wastes in waterways.

plowing grasslands.

removing air pollutants.

cutting down forests.

8

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

air, soil and waterways

air and soil only

soil and waterways only

air and waterways only

9

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

plants, animals and humans.

animals and humans only.

plants and animals only.

humans and plants only.

10

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

by decreasing the rate of breathing.

by increasing the rate of heart beats.

by increasing the rate of breathing.

by moving to another suitable ecosystem.

11

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

must decrease their adaptation

must land their seeds in another better place

must have buttress roots

must have a taproot

12

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

animals can adapt with fires.

plants can grow rapidly.

plants cannot move at all.

animals can grow easily.

13

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

asthma and wounds

lung damages and wounds

heart problems and wounds

lung damages and asthma

14

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

replanting the cleared forests.

removing air and water pollutants.

producing more factories exhaust.

preserving existed plants and animals.

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