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.
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2- When zebra mates a donkey, they can't produce fertile individuals.
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3- It is important to classify livings.
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4- Algae are different from camphor plants in their shape.
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5- Scorpion and spider are not insects.
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6- Teeth of rodents are different from teeth of lagomorphs.
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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 |
----------------------------------- |
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