Q.3: What is meant by each of the following?

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.

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2- Legs of some birds are palm.

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3- Beaks of some birds are wide indented.

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

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5- Beaks of some birds are long and thin.

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6- Hawk has three front fingers and back one.

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

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8- Beaks of predatory birds are sharp and strong.

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

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

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

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

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13- The camel pad ends with thick flat one.

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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: ------------------------------------------------------------------------