Adaptation and Survival - lesson5

1

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

use carbon dioxide gas to breathe in.

use oxygen gas to breathe in.

can breathe in water.

can breathe in air.

2

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

gills

tail

lungs

eyes

3

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

extract oxygen gas from water.

take in oxygen gas.

expel out carbon dioxide gas.

extract oxygen gas from air.

4

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

behavioral adaptation.

structural adaptation.

camouflage adaptation.

behavioral and structural adaptation.

5

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

cause many organisms to respire.

cause many organisms to die.

cause many organisms to disappear.

give a chance to the organisms for adaptation.

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............

cutting down forests.

throwing wastes in waterways.

plowing grasslands.

removing air pollutants.

8

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

soil and waterways only

air and waterways only

air, soil and waterways

air and soil only

9

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

plants and animals only.

humans and plants only.

plants, animals and humans.

animals and humans only.

10

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

by decreasing the rate of breathing.

by moving to another suitable ecosystem.

by increasing the rate of breathing.

by increasing the rate of heart beats.

11

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

must have buttress roots

must decrease their adaptation

must land their seeds in another better place

must have a taproot

12

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

animals can adapt with fires.

plants cannot move at all.

plants can grow rapidly.

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 asthma

heart problems and wounds

lung damages and wounds

14

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

producing more factories exhaust.

replanting the cleared forests.

preserving existed plants and animals.

removing air and water pollutants.

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