Lesson 1

Q .1: Write the scientific term:

1- Organisms that can't bee seen with naked eyes. [ ]

2- It is a branch of biology searching the similarities and differences among living organisms. [ ]

3- The plants in which their seeds are formed inside cones not inside apericarp. [ ]

4-Plants that can’t be distinguish into roots, stems or leaves.

[ ]

5- Invertebrate animals that characterized by a type of legs known as jointed legs. [ ]

6- Arthropods that have 3 pairs of joint legs. [ ]

7- Arthropods that have 4 pairs of joint legs. [ ]

8- Arthropods that have more that 4 pairs of joint legs. [ -]

9- Mammals that have one pair of incisors in each jaw. [ -]

10- Mammals that have two pairs of incisors in the upper jaw and only one pair in the lower jaw. [ ]

11- The scientist who had considered the species as fundamentals of a natural classifying system. [ ]

12- A group of more similar living organisms shape that can reproduce to give birth of new fertile individuals. [ ]

13- Small terrestrial plants that are reproduce by formation of seeds.

[ ]

Q.2: What is meant by each of the following?

1- Taxonomy: .................

2- Species: -

3- Arthropods:

4- Rodents: -

Q.3: Choose the correct answer:

1- Spider is .................[insects – myriapods – mammals – arthropods]

2- From plants that reproduce by spores -

[Pine – bean – voughair – wheat]

3- From animals that don't have body support is

[Reptiles – snails – jelly fish – bony fish]

4- Ferns are characterized by reproduction by

[Seeds – spores – seeds & spores]

5- Maize is a plant.[Gymnosperm – Dicotyledon – monocotyledon]

6- The number of spider's legs are - [3 – 4 – 44 – 1000]

7- - is considered as insect. [Ants – spiders – scorpion – scolopendra

8- is from the teethless animals. [Mouse – rabbit – squirrel- Armadillo]

Q.4: Give the scientific reason:

1- Hedgehog is characterized by the presence of extending outwards teeth.

2- When zebra mates a donkey, they can't produce fertile individuals.

3- It is important to classify livings.

4- Algae are different from camphor plants in their shape.

5- Scorpion and spider are not insects.

6- Teeth of rodents are different from teeth of lagomorphs.

Q.5: Cross out the unsuitable word:

1- Lion – tiger – dog – armadillo – wolf

2- Bean – pea – maize – pine – wheat

3- Locusts – flies – cockroaches – spider – mosquito

4- Octopus – desert snail – frog – fresh water mussels – tilapia

5- Pine – cycas – bean

Q.6: Mention one difference between each of the following:

Rabbit	Squirrel
-	-
Beans	Wheat
-	-
Spider	Locusts
-	-
Voughair	Adiantum
-	-

Q.7: Complete the following statements:

1- Examples of teethless mammals are ,

2- Arthropds can be classified into , - &

3- The principles used to classify plants are &

4- is the basic unit of classification in living organisms.

5- - & - have pointed canines and molars with sharp projections.

6- Ferns are reproducing by formation of .................

7- An example of angiosperms is .................and of gymnosperms is

8- Rabbit has two pairs of incisors in the jaw and one pair in the jaw.

Q.8: Classify the following plants by the suitable way of classification:

Plant	Way of classification
Wheat	-
Vaughair	-
Pine	-
Cycas	-
Bean	-
Pea	-
Adiantum	-
Maize	-

Q.9: Classify the following animals according to the teeth:

Animal	Presence of teeth	No. of teeth
Lion		-
Squirrel		-
Tiger		-
Hedgehog		-
Sloth		-
Armadillo		-
Rabbit		-
Mouse		-