Science 1.2
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1
What are the classification of animals?
Invertebrates and vertebrates
2
Invertebrates is classified to two categories, without legs and with legs.
Give a few example for invertebrates without legs and Invertebrates with legs.
Give a few example for invertebrates without legs and Invertebrates with legs.
The example for invertebrates without legs are sponge, sea anemone, corals, planaria and snail (without segmented body) tapeworm, earthworm and leech (with segmened body). The example for invertebrates with legs are ant, butterfly and cockroach (three pairs of legs) spider, horseshoe crab, prawn, centipede and scorpion (more than three pairs of legs)
3
What is vertebrates?
Animal with a backbone
4
• poikilothermic
• produce eggs with a shell
• breathe through lungs
• have scales and hard skin
• undergo internal fertilisation
what am I?
• produce eggs with a shell
• breathe through lungs
• have scales and hard skin
• undergo internal fertilisation
what am I?
- Mammals
- Reptiles
- Amphibians
- Birds
- Fish
5
There are two classification of plants, non-flowering and flowering plants.
Give 2 example of non-flowering plants
Give 2 example of non-flowering plants
Moss and fern
6
What is vascular plants?
Vascular plants have a vascular system within them that transport water and food throughout the plant.
7
Flowering plants are classified into monocotyledons and dicotyledons.
State the difference between monocotyledons and dicotyledons.
State the difference between monocotyledons and dicotyledons.
Monocotyledons has 1 cotyledons, fibrous root, leaves with parallel vines. most have non-woody stem whereas dicotyledons have 2 cotyledons, tap root, leaves with network-like veins and woody stem.
8
What is the dichotomous key use for?
A dichotomous key is a method used by biologist to identify and classify organisms systematically.
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