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.

eyes

gills

tail

lungs

3

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

extract oxygen gas from water.

extract oxygen gas from air.

take in oxygen gas.

expel out carbon dioxide gas.

4

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

behavioral adaptation.

behavioral and structural adaptation.

camouflage adaptation.

structural adaptation.

5

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

cause many organisms to disappear.

give a chance to the organisms for adaptation.

cause many organisms to die.

cause many organisms to respire.

6

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

human activities.

arctic foxes.

starred agama.

animal activities.

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.

air, soil and waterways

air and waterways only

air and soil only

soil 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 increasing the rate of heart beats.

by moving to another suitable ecosystem.

by increasing the rate of breathing.

by decreasing the rate of breathing.

11

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

must have a taproot

must have buttress roots

must land their seeds in another better place

must decrease their adaptation

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.

lung damages and asthma

asthma and wounds

lung damages and wounds

heart problems and wounds

14

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

removing air and water pollutants.

preserving existed plants and animals.

producing more factories exhaust.

replanting the cleared forests.

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