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Adaptation and Survival - grade 4
Adaptation and Survival - grade 4
a characteristic that helps living organisms survive.
one of human body systems.
a habitat in which living organisms live.
a type of adaptation.
Bull sharks can live in........
seas, rivers and mud.
rivers, seas and oceans.
salt water only.
fresh water only.
The roots of kapok tree are not planted deeply in the soil, because.........
the soil contains more water.
the soil contains less water.
the climate is very cold.
the climate is very hot.
The throat is connected to the stomach through.........
If an ecosystem is severely polluted, some animals can survive.........
by increasing the rate of heart beats.
by moving to another suitable ecosystem.
by increasing the rate of breathing.
by decreasing the rate of breathing.
Amphibians, lizards, trees, birds, fish and humans.........
all of them need carbon dioxide gas to respire,
some of them need oxygen gas to respire.
all of them need oxygen gas to respire.
some of them need carbon dioxide gas to respire.
Camouflage means that the animal..........
can be seen easily among its surrounding.
can be seen easily by its predators.
is easily to be seen by its preys.
is hard to be seen among its surrounding.
If a plant grows in a dry desert, it needs.......... to adapt for getting water.
The stomach mixes the food with..........
digestive juices only.
saliva and digestive juices.
stomach acid only.
stomach acid and digestive juices.
Human can help restoring ecosystem by all of the following activities, except..........
producing more factories exhaust.
replanting the cleared forests.
removing air and water pollutants.
preserving existed plants and animals.
To help some green frogs to increase their ability to hide from their predators. you can.......... in their environment.
cultivate more green plants
fill in the ponds with sand
transfer these frogs to a safe desert habitat
transfer these frogs to a safe polar habitat
Adaptation helps the living organism in all the following characters, except.........
When a panther chameleon stands within leaves of trees, the color of its scales changes into.......... color.
Umbrella-shaped tree are.......
acacia tree and kapok tree.
mangrove tree and acacia tree.
barbary fig and water lilies.
mangrove tree and kapok tree.
Crushing the food in your mouth is a function of ........
If amphibians have gills not lungs and cannot respire through skin, then..........
they cannot live underwater.
they can live outside water.
they can live in desert landscape.
they cannot live outside water.
The presence of a thick white fur is an adaptation in.......
From physical adaptation of bull sharks is that they........
can live in both salt water and fresh water.
can live in salt water only.
are flexible about what they eat.
hunt in the day as well as the night.
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.
The needed energy to perform different functions of a living organism is obtained from.........
breathing and food processing.
breathing and running.
food processing only.
All the following properties help arctic foxes to stay warm except..........
thick fur coat.
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.
All the following are organs in the digestive system except..........
Amphibians can take in oxygen gas from.........
food and air.
water and air.
Penguins live in a polar climate which.........
is one of the hotest places on Earth.
is one of the coldest places on Earth.
looks like the forest climate.
looks like the desert climate.
Fennec foxes and arctic foxes live in burrows, this belongs to adaptation
both structural and behavioral
neither structural nor behavioral
The solid wastes of undigested food become useless to the body, so the body must expel it outside the body through the.........
Changes that occur slowly to the environment,.........
give a chance to the organisms for adaptation.
cause many organisms to respire.
cause many organisms to die.
cause many organisms to disappear.
If a pond where some frogs live, is highly polluted with wastes and viruses. What you have to do to preserve these frogs?.........
Supply this pond with more oxygen gas.
Dry this pond from water.
Fill in pond with sand.
Transfer these frogs to a clean water habitat.
In penguin's body, the insulating layer of fat and thick downy feathers trap.......... against the skin.
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.
Inside the two lungs, at the end of the smaller air passages (bronchioles) there are tiny air sacs surrounded by.........
Bears that live in forests have fur......... that of polar bears.
All the following properties help fennec foxes to stay cool except..........
thick fur coat.
The stomach lies between esophagus and...........
All the following are correct about the mouth except.........
it is the first organ in the digestive system.
it has teeth.
it has tongue.
it moves food to the stomach directly.
If the number of an animal species becomes zero due to severe changes in its natural habitat, this means that this species.........
going to be extinct.
When we wear heavy clothes in winter, this is considered as a type of.........
adaptation for cold weather.
adaptation for hot weather.
If a plant grows in a snow habitat. So, it needs all the following characteristics except............ to adapt this habitat.
The organ that moves the food into the stomach is.........
To increase the number of an endangered species, you may have to..........
introduce a new predator for this species.
introduce a new prey for this species.
introduce a plant that causes harms for this species.
introduce a disease that causes death for this species.
If you catch a piece of ice in your hand, you will begin to lose feeling in your fingers after a few.......
Desert plants are characterized by all the following except that they.........
have wide leaves.
have long roots.
have sharp spines.
In the......... saliva moistens food and begins to break it down.
Human can negatively affect the nature by all of the following activities, except............
cutting down forests.
removing air pollutants.
throwing wastes in waterways.
9. Blood vessels that carry oxygen gas in amphibians, present in.........
skin and digestive system.
skin and lungs.
lungs and eyes.
digestive system and eyes.
All the following are methods to keep the respiratory system healthy except..........
avoid the smoking and smoking areas.
breathing clean air.
eating fruits rich in vitamin (A).
eating orange and guava.
The oxygen gas moves from air into blood at the .........
The presence of an insulating layer of .........., keep the penguin's body warm.
fat and thin downy feathers
protein and thick downy feathers
protein and thin downy feathers
fat and thick downy feathers
Barbary fig keeps animals away like acacia trees by its..........
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