6 نسخة المعلم

Adaptation and Survival - grade 4

1
Ecosytem is.........
2
Bull sharks can live in........
3
The roots of kapok tree are not planted deeply in the soil, because.........
4
The throat is connected to the stomach through.........
5
If an ecosystem is severely polluted, some animals can survive.........
6
Amphibians, lizards, trees, birds, fish and humans.........
7
Camouflage means that the animal..........
8
If a plant grows in a dry desert, it needs.......... to adapt for getting water.
9
The stomach mixes the food with..........
10
Human can help restoring ecosystem by all of the following activities, except..........
11
To help some green frogs to increase their ability to hide from their predators. you can.......... in their environment.
12
Adaptation helps the living organism in all the following characters, except.........
13
When a panther chameleon stands within leaves of trees, the color of its scales changes into.......... color.
14
Umbrella-shaped tree are.......
15
Crushing the food in your mouth is a function of ........
16
If amphibians have gills not lungs and cannot respire through skin, then..........
17
The presence of a thick white fur is an adaptation in.......
18
From physical adaptation of bull sharks is that they........
19
Changing the color of body coat of arctic foxes according to season, is considered as a type of.........
20
The needed energy to perform different functions of a living organism is obtained from.........
21
All the following properties help arctic foxes to stay warm except..........
22
All the following properties protect acacia leaves from being eaten by animals except that..........
23
All the following are organs in the digestive system except..........
24
Amphibians can take in oxygen gas from.........
25
Penguins live in a polar climate which.........
26
Fennec foxes and arctic foxes live in burrows, this belongs to adaptation
27
The solid wastes of undigested food become useless to the body, so the body must expel it outside the body through the.........
28
Changes that occur slowly to the environment,.........
29
If a pond where some frogs live, is highly polluted with wastes and viruses. What you have to do to preserve these frogs?.........
30
In penguin's body, the insulating layer of fat and thick downy feathers trap.......... against the skin.
31
Meat is much easier to be processed, so dogs have..........
32
Inside the two lungs, at the end of the smaller air passages (bronchioles) there are tiny air sacs surrounded by.........
33
Bears that live in forests have fur......... that of polar bears.
34
All the following properties help fennec foxes to stay cool except..........
35
The stomach lies between esophagus and...........
36
All the following are correct about the mouth except.........
37
If the number of an animal species becomes zero due to severe changes in its natural habitat, this means that this species.........
38
When we wear heavy clothes in winter, this is considered as a type of.........
39
If a plant grows in a snow habitat. So, it needs all the following characteristics except............ to adapt this habitat.
40
The organ that moves the food into the stomach is.........
41
To increase the number of an endangered species, you may have to..........
42
If you catch a piece of ice in your hand, you will begin to lose feeling in your fingers after a few.......
43
Desert plants are characterized by all the following except that they.........
44
In the......... saliva moistens food and begins to break it down.
45
Human can negatively affect the nature by all of the following activities, except............
46
9. Blood vessels that carry oxygen gas in amphibians, present in.........
47
All the following are methods to keep the respiratory system healthy except..........
48
The oxygen gas moves from air into blood at the .........
49
The presence of an insulating layer of .........., keep the penguin's body warm.
50
Barbary fig keeps animals away like acacia trees by its..........