شرح ساينس الصف الرابع الابتدائي لغات - الفصل الدراسي الأول
شرح ساينس رابعة ابتدائي - ترم أول

لينك تحميل الملزمة
https://drive.google.com/file/d/1b4ldJep3lTyPRMimbPgS60_PDdbdkEnJ/view?usp=sharing

لينك تليجرام
https://t.me/mrahmedelbashagroup

In This Part :
Part (A)
Types of adaptations
1. Structural adaptation (or physical adaptation)
Definition:
It is a change in the structure of the animal's body to adapt its environment.

Examples:
1. The blood vessels in the penguin's feet.


2. The thick fur of the polar bear.


2. Behavioral adaptation
Definition:
It is a change in the behaviors or acts of a group of animals to adapt its environment.

Examples:
1. Desert lizard looks for shade during
hot sunny days.


2. Migration of some animals
1. Fennec fox
• Its habitat:
It lives in hot deserts.

• Its structural adaptation
- It has a tan-colored coat (sandy-colored fur) that:
• provides camouflage to hide in a sandy, rocky environment.
• protects it from the hot Sun.
- It has extra-large ears that help the fennec fox to lose the heat to cool its body.

• its behavioral adaptation
- It pants like dogs, where it takes up to 700 breaths per minute to cool its body.

- It lives in burrows: to stay cool

- It eats different kinds of food, like insects, fruit, plant roots

2. Arctic fox
• Its habitat:
It lives in tundra - (50°C) below zero in winter months.

• its behavioral adaptation
- It lives in burrows which are excellent places for it to stay warm at night.

- It eats different kinds of food, like insects, fruit, plant roots


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مستر احمد الباشا