Q.3: What is meant by each of the following? 2- Structural adaptation: -

1- Adaptation: -

2- Structural adaptation: -

3- Functional adaptation: .................

4- Behavioral adaptation: .................

5- Insectivorous plants: - .................

Q.4: Say true (P) or false (x):

1- Secretion of sweat at high temperature of human body is considered behavioral adaptation. ( )

2- Migration of birds is considered as behavioral adaptation. ( )

3- The beaks of predatory birds are sharp and strong. ( )

4- The fingers of the hawks and vultures are strong and sharp. ( )

5- Water birds have palm legs. ( )

6- Ducks and geese have wide indented beaks. ( )

7- Dieonea, Drosera and halophila are examples of insectivorous plants. ( )

Q.5: Give the scientific reason for each of the following:

1- Some plants seek to eat insects.

2- Legs of some birds are palm.

3- Beaks of some birds are wide indented.

4- Legs of some birds are long and thin ending in thin fingers.

5- Beaks of some birds are long and thin.

6- Hawk has three front fingers and back one.

7- Birds have fingers end in strong and sharp claws.

8- Beaks of predatory birds are sharp and strong.

9- The front limbs of monkeys are modified into long arms.

10- The front limbs of bats are modified into wings.

11- The front limbs of dolphins are modified into peddles.

12- The horse hoof ends with a strong solid end.

13- The camel pad ends with thick flat one.

Q. 6: Complete the following diagram:

Q.7: Give one example for:

1- Structural adaptation:

2- Behavioral adaptation:

3- Functional adaptation:

4- Modification of front limbs in mammals: -

5- Predatory birds: -

6- Water birds:

7- Modification of bird's legs:

8- Insectivorous plants: .................

9- Birds feed on shallow water:

10- Modification of bird's beaks: