INVERTEBRATES II- MOLLUSKS-ARTHROPODS AND ECHINODERMS

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INVERTEBRATES II- MOLLUSKS-ARTHROPODS AND ECHINODERMS POWER POINT PRESENTATION

This is a 46 slide power presentation and a 7 pages of the students notes, design to help you teach the topic of Invertebrates. This power point contains several formative assessments, graphic organizer, alined with the common core standards, amazing visual and information.

The main teaching concepts are: Invertebrates part two, broadcasting the phylums; Mollusks, Arthropods and Echinoderms
Nutrition, habitat, reproduction, interesting facts, background information, structure, lost of images, examples, how to identify and invertebrate,

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The second power point about porifera and worms is available for sale


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Invertebrates
These are animals without a backbone
There are six groups of invertebrates in this presentation you will study the phylum:
Mollusks, Arthropods and Echinoderms.

Phylum: Mollusca
Common name: soft-bodied animals (mollusks)
Habitat: freshwater, marine & terrestrial
Nutrition: free-living heterotrophs
Snails, slugs, clams, oysters, squids and octopuses are molluscks
Phylum: Mollusca
Special Structures and or Features:
soft body with mantle; 1 or 2 shells
present, some w/no shell
Reproduction: sexual (some hermaphroditic)
Economic and/or Biological Importance:
food for humans and other animals
Phylum Mollusca!
3 Classes of Mollusks:
Bivalves
“two shelled”
Clams & oysters

Gastropods
“stomach foot”
Snails & slugs

Cephalopods
“head foot”
Octopus , squids,
and cuttlefish
Mollusca
Class Gastropod
Class Bivalvia
Class Cephalopoda-
Negative Effects of Mollusks
Land slugs and snails can damage plants
Certain species of snails are hosts for parasites that can infect humans
Bacteria and viruses can become trapped in these animals because they are filter feeders…thus eating them could result in sickness or even death!
Value of Mollusks
Provide food for people and other animals
Many people make their living raising or collecting mollusks to sell
Shells can be used for jewelry and decoration
Pearls are produced by several species of mollusks most are made by pearl oysters
Mollusca (With and Without Shells)
Phylum Mollusca
Phylum Mollusca
Phylum Mollusca
Phylum Mollusca
Phylum Mollusca
Echinodermata
Common name: spiny-skinned animals (echinoderms)
Habitat: marine only
Nutrition: free-living heterotroph
Echinoderms
Have bodies divided into five parts
Have spiny outer covering
Phylum: Echinodermata
Special Structures and or Features: spiny-skin body design in five parts; water-vascular system w/tube feet
Reproduction: sexual
Economic and/or Biological Importance: destroy oyster beds
Sea Stars

Echinodermata

Echinoderm Uses
Help recycle materials
Used in research as possible medicine sources
Phylum Echinodermata
Phylum Echinodermata
Phylum Echinodermata
Arthropods
Phylum: Arthropoda
Special Structures: paired jointed appendages; exoskeleton
Reproduction: sexual; internal fertilization
Economic and/or Biological Importance:
pollinators of flowers; seafood; carriers of disease
Phylum: Arthropoda
Common name: joint-legged animals (arthropods)
Habitat: freshwater, marine & terrestrial
Nutrition: both free-living and parasitic

Arthropods: Insects
They are the only invertebrates that can fly. Insects have bodies divided into three parts (Head, thorax and abdomen,) 3 pairs of legs.
Life cycle exhibiting metamorphosis.
Exoskeleton with chitin.
Compound eyes with antenna.

Arachnids
They have 4 pairs of legs.
Includes: spiders, scorpions, ticks, and mites.
Simple eyes (up to 8)
Pedipalps are sensory appendages.

Arthropods Arachnid
Have four pairs of legs.
Have bodies divided into two sections
Spiders in the USA

Black Widows

Brown Recluses

Arthropods – Centipedes & Millipedes
Have long thin bodies and pairs of legs on each of their many body sections

Phylum Anthropoda
Phylum Anthropoda
Phylum Anthropoda

Arthropods - Crustacean
Have five-seven pairs of legs
First pair often used as pincers
Bodies covered in shell

Crayfish Anatomy

Phylum Anthropoda
Phylum Anthropoda
LEARNING TO DESCRIBE INVERTEBRATES
SHAPE
appendages
eyes

4 interactive activities are included and students notes!!


Total Pages
77
Answer Key
N/A
Teaching Duration
90 Minutes

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INVERTEBRATES II- MOLLUSKS-ARTHROPODS AND ECHINODERMS
INVERTEBRATES II- MOLLUSKS-ARTHROPODS AND ECHINODERMS
INVERTEBRATES II- MOLLUSKS-ARTHROPODS AND ECHINODERMS
INVERTEBRATES II- MOLLUSKS-ARTHROPODS AND ECHINODERMS
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