Adaptation and Survival - lesson5

1

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

use carbon dioxide gas to breathe in.

can breathe in air.

use oxygen gas to breathe in.

can breathe in water.

2

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

gills

tail

eyes

lungs

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.........

behavioral adaptation.

camouflage adaptation.

behavioral and structural adaptation.

structural adaptation.

5

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

cause many organisms to respire.

cause many organisms to die.

give a chance to the organisms for adaptation.

cause many organisms to disappear.

6

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

animal activities.

starred agama.

arctic foxes.

human activities.

7

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

plowing grasslands.

cutting down forests.

throwing wastes in waterways.

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 moving to another suitable ecosystem.

by decreasing the rate of breathing.

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 land their seeds in another better place

must have buttress roots

must have a taproot

must decrease their adaptation

12

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

plants can grow rapidly.

animals can grow easily.

plants cannot move at all.

animals can adapt with fires.

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 asthma

lung damages and wounds

14

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

preserving existed plants and animals.

producing more factories exhaust.

replanting the cleared forests.

removing air and water pollutants.

Adaptation and Survival - lesson5 نسخ تكرار

Adaptation and Survival - lesson5

نسخ

تكرار