In plants
In animals
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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: ------------------------------------------------------------------------
Lesson 3
Q
.1:
What is the scientific term of:
1- The phenomena of hiding animals in burrow or bury themselves in mud in winter. [-----------------------------------]
2- The phenomena of hiding animals in humid burrows in order not to be affected by rising of temperature. [-----------------------------------]
3- The insect that looks like the plant leaves exactly in colour and shape of wings. [-----------------------------------]
4- An insect that looks like the branches of plants to be hardly discovered by their enemies. [-----------------------------------]
5- The ability of some living organisms to be hidden from their enemies or to capture the preys in the predator species. [-----------------------------------]
Q.2: Give reasons for each of the following:
1- Perishing of some living organisms and continuity of others.
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2- Some birds seek to migrate from cold and polar regions.
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3- Roots of aquatic plants are weak, and their leaves are ribbon like.
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4- Stem of aquatic plants are elastic, contain air chambers.
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5- Roots of desert plants vertically in the soil for great depths.
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6- Leaves of the desert plants are small, have ribbon like and have little numbers of stomata.
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7- Stems of desert plants are short, rich in chloroplasts.
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8- Some animals colour themselves with the dominant colours in the environment.
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9- The leaf insect looks like the plant leave exactly.
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10- The stick insect looks like the branches of plants.
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11- Chameleon colors itself with the dominant colors of the environment.
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12- Camel has a plentiful number of lacrimal glands and two raws of long eyelashes.
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13- Camel's ear is small and covered with dense hair from inside.
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14- The upper lip of the camel's mouth is forked and the enamel is strong.
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15- The upper lip of the camel's mouth is forked and the enamel is strong.
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16- The presence of hump in the camel's body.
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17- Camels are rarely sweated.
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18- Some animals undergo hibernation.
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19- The thickness of camel's fur differs at different body regions.
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20- Elodea plant has a sessile (neckless) leaves.
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21- Some desert plant's leave are modified into spines.
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22- The leaves of cactus plants are surrounded with a waxy layer.
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Q.3: Choose the correct answer:
1- Birds migrate to ---------------------- [digest – reproduce – respire]
2- The --------------- are reduced into spines in opuntia plant.