Arthropods Chapter 28. Characteristics of Arthropods ► Exoskeleton which must be shed when the organism is growing…..shedding of the exoskeleton and the.

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Presentation transcript:

Arthropods Chapter 28

Characteristics of Arthropods ► Exoskeleton which must be shed when the organism is growing…..shedding of the exoskeleton and the formation of the new skeleton is called molting ► Jointed appendages ► Segmented bodies

5 groups of Arthropods ► Insects ► Crustaceans ► Arachnids ► Centipedes ► Millipedes

Insects ► 6 legs ► 3 body parts a) Head region b) Thorax region c) Abdomen ► Antennae

Insects…3 body sections

Some Insects Fly

Some Insects Jump

Some Insects Look Scary

Mouth Parts of Insects

Insect’s Compound Eye

Next Group Arachnids ► 8 legs ► No antennae ► No compound eyes but simple eyes ► 2 body parts a)Head thorax are one part b) Abdomen is other part

Spiders

► Do spiders have antennae????

Do Spiders Have Compound Eyes??? ► No

If a spider is venomous, what does it use to put the venom into its prey? ► fangs

Other Arachnids

Next Group of Arthropods ► Crustaceans

Characteristics of Crustaceans ► Two body sections a) Head and thorax are together b) Abdomen ► Antennae ► Compound eyes

Examples of Crustaceans

Millipedes ► Next group of Arthropods ► Two pairs of legs on each segment

Millipede..2 pairs of legs on each segment

Centipede...another type of Arthropod ► One pair of legs on each segment