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.

tail

gills

eyes

lungs

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.........

camouflage adaptation.

behavioral and structural adaptation.

structural adaptation.

behavioral adaptation.

5

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

cause many organisms to die.

cause many organisms to respire.

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.

starred agama.

animal activities.

7

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

cutting down forests.

removing air pollutants.

plowing grasslands.

throwing wastes in waterways.

8

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

air and soil only

soil and waterways only

air and waterways only

air, soil and waterways

9

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

plants and animals only.

humans and plants only.

animals and humans only.

plants, animals and humans.

10

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

by increasing the rate of heart beats.

by decreasing the rate of breathing.

by moving to another suitable ecosystem.

by increasing the rate of breathing.

11

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

must decrease their adaptation

must have buttress roots

must have a taproot

must land their seeds in another better place

12

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

plants cannot move at all.

animals can adapt with fires.

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..........

replanting the cleared forests.

removing air and water pollutants.

producing more factories exhaust.

preserving existed plants and animals.

Adaptation and Survival - lesson5 نسخ تكرار

Adaptation and Survival - lesson5

نسخ

تكرار