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Adaptation and Survival - grade 4
Adaptation and Survival - grade 4
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تكرار
1
Ecosytem is.........
a characteristic that helps living organisms survive.
a type of adaptation.
one of human body systems.
a habitat in which living organisms live.
2
Bull sharks can live in........
seas, rivers and mud.
salt water only.
rivers, seas and oceans.
fresh water only.
3
The roots of kapok tree are not planted deeply in the soil, because.........
the climate is very cold.
the climate is very hot.
the soil contains more water.
the soil contains less water.
4
The throat is connected to the stomach through.........
trachea.
large intestine.
small intestine.
esophagus.
5
If an ecosystem is severely polluted, some animals can survive.........
by decreasing the rate of breathing.
by increasing the rate of heart beats.
by moving to another suitable ecosystem.
by increasing the rate of breathing.
6
Amphibians, lizards, trees, birds, fish and humans.........
some of them need oxygen gas to respire.
all of them need carbon dioxide gas to respire,
some of them need carbon dioxide gas to respire.
all of them need oxygen gas to respire.
7
Camouflage means that the animal..........
can be seen easily by its predators.
is easily to be seen by its preys.
can be seen easily among its surrounding.
is hard to be seen among its surrounding.
8
If a plant grows in a dry desert, it needs.......... to adapt for getting water.
long branches
long leaves
more sunlight
long roots
9
The stomach mixes the food with..........
saliva and digestive juices.
digestive juices only.
stomach acid and digestive juices.
stomach acid only.
10
Human can help restoring ecosystem by all of the following activities, except..........
removing air and water pollutants.
replanting the cleared forests.
producing more factories exhaust.
preserving existed plants and animals.
11
To help some green frogs to increase their ability to hide from their predators. you can.......... in their environment.
cultivate more green plants
transfer these frogs to a safe desert habitat
fill in the ponds with sand
transfer these frogs to a safe polar habitat
12
Adaptation helps the living organism in all the following characters, except.........
reproduction.
hiding.
death.
surviving.
13
When a panther chameleon stands within leaves of trees, the color of its scales changes into.......... color.
green
blue
black
white
14
Umbrella-shaped tree are.......
mangrove tree and kapok tree.
barbary fig and water lilies.
acacia tree and kapok tree.
mangrove tree and acacia tree.
15
Crushing the food in your mouth is a function of ........
saliva.
teeth.
tongue.
stomach.
16
If amphibians have gills not lungs and cannot respire through skin, then..........
they can live outside water.
they cannot live underwater.
they cannot live outside water.
they can live in desert landscape.
17
The presence of a thick white fur is an adaptation in.......
starred agama.
forest bear.
polar bear.
fennec fox.
18
From physical adaptation of bull sharks is that they........
hunt in the day as well as the night.
are flexible about what they eat.
can live in salt water only.
can live in both salt water and fresh water.
19
Changing the color of body coat of arctic foxes according to season, is considered as a type of.........
change to the way of breathing.
change to the way of drinking.
physical adaptation.
behavioral adaptation.
20
The needed energy to perform different functions of a living organism is obtained from.........
breathing and food processing.
breathing only.
food processing only.
breathing and running.
21
All the following properties help arctic foxes to stay warm except..........
short legs.
thick fur coat.
short ears.
tan-colored.
22
All the following properties protect acacia leaves from being eaten by animals except that..........
they are guarded by sharp spines.
they produce a poison.
they are high enough.
they are brightly colored.
23
All the following are organs in the digestive system except..........
mouth.
stomach.
nose.
esophagus.
24
Amphibians can take in oxygen gas from.........
food and air.
air only.
water and air.
water only.
25
Penguins live in a polar climate which.........
is one of the coldest places on Earth.
is one of the hotest places on Earth.
looks like the forest climate.
looks like the desert climate.
26
Fennec foxes and arctic foxes live in burrows, this belongs to adaptation
both structural and behavioral
only structural
only behavioral
neither structural nor behavioral
27
The solid wastes of undigested food become useless to the body, so the body must expel it outside the body through the.........
large intestine.
anus.
small intestine.
mouth.
28
Changes that occur slowly to the environment,.........
cause many organisms to disappear.
give a chance to the organisms for adaptation.
cause many organisms to respire.
cause many organisms to die.
29
If a pond where some frogs live, is highly polluted with wastes and viruses. What you have to do to preserve these frogs?.........
Transfer these frogs to a clean water habitat.
Supply this pond with more oxygen gas.
Fill in pond with sand.
Dry this pond from water.
30
In penguin's body, the insulating layer of fat and thick downy feathers trap.......... against the skin.
cold water
cold air
warm air
warm water
31
Meat is much easier to be processed, so dogs have..........
only one stomach and a short digestive system.
only one stomach and a long digestive system.
more than one stomach and a short digestive system.
more than one stomach and a long digestive system.
32
Inside the two lungs, at the end of the smaller air passages (bronchioles) there are tiny air sacs surrounded by.........
air.
water.
blood vessels.
small intestine.
33
Bears that live in forests have fur......... that of polar bears.
brighter than
darker than
whiter than
similar to
34
All the following properties help fennec foxes to stay cool except..........
thick fur coat.
make panting.
tan-colored coat.
extra-large ears.
35
The stomach lies between esophagus and...........
anus
small intestine
large intestine
mouth
36
All the following are correct about the mouth except.........
it has tongue.
it is the first organ in the digestive system.
it has teeth.
it moves food to the stomach directly.
37
If the number of an animal species becomes zero due to severe changes in its natural habitat, this means that this species.........
becomes extinct.
becomes endangered.
will survive.
going to be extinct.
38
When we wear heavy clothes in winter, this is considered as a type of.........
adaptation for cold weather.
camouflage.
ecosystem.
adaptation for hot weather.
39
If a plant grows in a snow habitat. So, it needs all the following characteristics except............ to adapt this habitat.
needle leaves
short branches
triangular shape
wide leaves
40
The organ that moves the food into the stomach is.........
esophagus.
mouth.
tongue.
small intestine.
41
To increase the number of an endangered species, you may have to..........
introduce a plant that causes harms for this species.
introduce a new prey for this species.
introduce a disease that causes death for this species.
introduce a new predator for this species.
42
If you catch a piece of ice in your hand, you will begin to lose feeling in your fingers after a few.......
weeks.
days.
minutes.
hours.
43
Desert plants are characterized by all the following except that they.........
have wide leaves.
store water.
have sharp spines.
have long roots.
44
In the......... saliva moistens food and begins to break it down.
esophagus
stomach
small intestine
mouth
45
Human can negatively affect the nature by all of the following activities, except............
cutting down forests.
removing air pollutants.
throwing wastes in waterways.
plowing grasslands.
46
9. Blood vessels that carry oxygen gas in amphibians, present in.........
skin and digestive system.
lungs and eyes.
digestive system and eyes.
skin and lungs.
47
All the following are methods to keep the respiratory system healthy except..........
eating fruits rich in vitamin (A).
avoid the smoking and smoking areas.
eating orange and guava.
breathing clean air.
48
The oxygen gas moves from air into blood at the .........
lungs.
trachea.
throat.
nose.
49
The presence of an insulating layer of .........., keep the penguin's body warm.
protein and thick downy feathers
fat and thick downy feathers
protein and thin downy feathers
fat and thin downy feathers
50
Barbary fig keeps animals away like acacia trees by its..........
long leaves.
smell.
sharp spines.
poison.
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