Adaptation and Survival - lesson5

1

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

use carbon dioxide gas to breathe in.

can breathe in water.

can breathe in air.

use oxygen gas to breathe in.

2

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

eyes

lungs

gills

tail

3

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

extract oxygen gas from air.

extract oxygen gas from water.

take in oxygen gas.

expel out carbon dioxide gas.

4

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

structural adaptation.

camouflage adaptation.

behavioral adaptation.

behavioral and structural adaptation.

5

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

cause many organisms to respire.

cause many organisms to disappear.

cause many organisms to die.

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

cutting down forests.

throwing wastes in waterways.

removing air pollutants.

plowing grasslands.

8

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

soil and waterways only

air, soil and waterways

air and soil only

air and waterways only

9

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

animals and humans only.

plants and animals only.

humans and plants only.

plants, animals and humans.

10

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

by increasing the rate of breathing.

by decreasing 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 have a taproot

must land their seeds in another better place

must have buttress roots

must decrease their adaptation

12

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

animals can adapt with fires.

plants can grow rapidly.

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.

heart problems and wounds

asthma and wounds

lung damages and wounds

lung damages and asthma

14

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

preserving existed plants and animals.

replanting the cleared forests.

removing air and water pollutants.

producing more factories exhaust.

Adaptation and Survival - lesson5 نسخ تكرار

Adaptation and Survival - lesson5

نسخ

تكرار