biodiversity mozac e-fusion
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WHAT IS BIODIVERSITY?
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Classification of organism
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Vertebrates Aspects Invertebrates
With backbones Presence of
backbones
Without backbones
Main support is
endoskeleton which
consist of bones.
Body support Main support is exoskeleton (such
as hard skin) & fluid pressure
Fish, amphibians,
reptiles, birds &
mammals
Examples Insects, spiders, crabs, prawns.
Worms & molluscs ( such as snails
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1. AMPHIBIANS
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2.FISH
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3.BIRDS
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4. MAMMALS
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5. REPTILES
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Diversity in the general
characteristics of livingorganisms.
Animal D has fur while Animal C does not.
Animal C has beak while Animal B does not.
Animal B has fins while Animal A does not.Animal D has hard dry scales why Animal D does not.
Two other ways that I have choosen to classify the 5 animals
are:-
i) Reproductive methods
ii) Body temperature
Animal
A,B,C,D,E
Internal
Fertilisation
Mammals
External
Fertilisation
Reptiles, Fish,
Amphibians,
Birds
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Vertebrates and Invertebrates
Scientist have so far identified more than 1 million animals. Animals aredivided into two main groups, those with backbones and those without.
Animals with backbones are called vertebrates. Animals without
backbones are called invertebrates
Animal
A,B,C,D,E
Warm-
Blooded
Mammals,
Birds
Cold-
Blooded
Reptiles, Fish,
Amphibians
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Algae
Sea Alga Chlamidomonas
They live in water and humid soil.
They do not have stems, leaves or roots.
They have chlorophyll.They are unicellular algae (e,g, pleurococus
ad chlamidomonas) and multicellular algae
(e.g. spirogyra and sea weed)
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Fungi
Mushroom Yeast
They live in damp ares.
They do not have leaves, stems, or roots.
They do not have chlorophyll.
They live as parasites or saprophytes.
There are unicellular fungi (e,g, yeast) andmulticellular fungi (e.g. mushroom)
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Mosses
Moss
They live in damp areas.
They have leaves and stems but no root systems.
They have chlorophyll.
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Ferns
Ferns
They live in damp and shady places.
They have stem and leaf systems.They have chlorophyll.
They reproduce by spores.
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Introduction
From afar, rainforests look green, mysterious, quiet
and peaceful. However, this is afar from the truth.
They are actually made up of rich wildlife full of
activity. Our rainforest boast of millions of species of
flora and fauna which are unique and not found
anywhere else in world.
Objective
By the end of this chapter, we should be able to
Understand the variety of living organisms and their
classification.
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Classification of living things
Living Things
Plants
Flowerng
Monocotyledons Dicotyledons
Non-Flowering
Ferns Algae
FUngi Mosses
Animals
Vertebrates
Fish
Mammals Amphibians
Mammals Birds
Invertebrates
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