Adaptation and Survival - lesson5

1

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

can breathe in air.

use carbon dioxide gas to breathe in.

use oxygen gas to breathe in.

can breathe in water.

2

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

gills

tail

lungs

eyes

3

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

expel out carbon dioxide gas.

extract oxygen gas from air.

take in oxygen gas.

extract oxygen gas from water.

4

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

behavioral adaptation.

behavioral and structural adaptation.

structural adaptation.

camouflage 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...........

arctic foxes.

starred agama.

human activities.

animal activities.

7

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

throwing wastes in waterways.

plowing grasslands.

cutting down forests.

removing air pollutants.

8

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

air, soil and waterways

soil and waterways only

air and soil only

air and waterways only

9

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

humans and plants only.

plants and animals only.

plants, animals and humans.

animals and humans only.

10

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

by moving to another suitable ecosystem.

by decreasing the rate of breathing.

by increasing the rate of heart beats.

by increasing the rate of breathing.

11

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

must have a taproot

must land their seeds in another better place

must decrease their adaptation

must have buttress roots

12

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

plants can grow rapidly.

animals can adapt with fires.

animals can grow easily.

plants cannot move at all.

13

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

lung damages and wounds

asthma and wounds

heart problems and wounds

lung damages and asthma

14

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

removing air and water pollutants.

preserving existed plants and animals.

replanting the cleared forests.

producing more factories exhaust.