Рет қаралды 97,849
شرح ساينس الصف الرابع الابتدائي لغات - الفصل الدراسي الأول
شرح ساينس رابعة ابتدائي - ترم أول
لينك تحميل الملزمة
drive.google.c...
لينك تليجرام
t.me/mrahmedel...
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
بالتوفيق
مستر احمد الباشا