animals can be divided into two groups
DESCRIPTION
Animals can be divided into two groups. Can you guess the groups?. Classification of animals. Let’s learn about invertebrates!!. sea urchin. coral. sponges. jellyfish. oyster. crab. scorpion. grasshopper. starfish. earthworm. clam. spider. butterfly. fly. squid. lobster. - PowerPoint PPT PresentationTRANSCRIPT
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Animals can be divided into two groups.
Can you guess the groups?
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Classification of animals
ANIMALS WITH
BACKBONE
ANIMALS WITHOUT
BACKBONE
VERTEBRATES INVERTEBRATES
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Let’s learn about invertebrates!!
oystersponges jellyfish
coral
earthwormstarfish
sea urchin
scorpion
spider
lobster
grasshopper
fly butterflysquid
crab
clam
octopus
snailcentipedes
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Can you sort them into groups?
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INVERTEBRATE GROUPS
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ARACHNIDSINSECTS CRUSTACEANS MYRIAPODS
grasshopper
They have an external exoskeleton.
spider lobster centipedes
They have antennae and eyes.
The exoskeleton is made up of small
plates.
The exoskeleton covers the body, legs and antennae.
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INSECTS
An insect’s body is divided into 3 parts:
headthorax
abdomen
Many insects have wings
They are found in many different habitats
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ARACHNIDS• They have 8 legs.• The body is divided into 2 parts: the abdomen and the
cephalothorax.
• They use their legs for holding their pray and feeding.
legs
cephalothorax
abdomen
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CRUSTACEANS• They live in the ocean and other waters.• They have a hard shell that protects their body.• The body is divided into 2 parts: the head and the abdomen. • Many crustaceans also have claws that help with crawling and
eating. claws
head
legs
abdomen
shell
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MYRIAPODS• They have long bodies with many legs.• The head has 2 short antennae.
legs
head
antennae