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Animal Phyla

Invertebrate descriptions and movie clips
by

on 2 May 2016

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Transcript of Animal Phyla

Echinoderm
Cnidaria
- spiny skin
-internal skeleton - endoskeleton
-water vascular system -most have thier mouth on the bottom and anus on top
-radial symmetry
- tube-feet with suction pads
-sexual & asexual reproduction -can regenerate missing body parts

1. Filter feeders taking in microscopic plankton
2. Tiny pores all over body (ostia)
3. Adults are Sessile - don't move
4. No central nervous, digestive, or circulatory system
5. Cells not organized into tissues - no organs
6. Sexual and asexual reproduction (budding)

Invertebrates - No Backbone
Kingdom Animalia
Vertebrates - Animals with a
backbone or spinal chord
Invertebrates - Animals without
a backbone or spinal chord
Animal Phyla
No Backbone
Porifera
1. Soft bodied- two types: medusa and polyps
2. Stinging tentacles
3. Radial symmetry
4. One opening - the mouth-
lets in food and wastes out
5. Live in salt and some in fresh water
6. Sexual and asexual reproduction
Annelids
1. Body divided into segments
2. Bilateral symmetry
3. Closed circulatory system
4. Has a through gut with a mouth
and anus
5. Has a nervous system, but no
respiratory system
6. Sexual reproduction - all earthworms are hermaphrodites - have male and female parts (bristle
worm can reproduce asexually too)
7. Live in most environments
Annelids-
Segmented Worms
1. Bilateral Symmetry
2. Rigid, jointed appendages for greater mobility and locomotion
3. An outer skeleton - an exoskeleton for protection
4. Specialized body segments such as head, thorax, and abdomen
5. Well developed nervous system with a brain
6. Circulatory and respiratory system
Arthropod

Mollusks
1. unsegmented soft bodied-
3 parts: head, visceral mass, and foot -some also have a shell
2. muscular foot and/or tentacles
2. Internal or External shell
3. Has well developed internal organs (circulatory, respiratory, nervous system, etc.) and a brain
4. heterotrophs & autotrophs
Vertebrates
Vertebrates
Porifera
Arthropod-arthro - jointed
poda - foot
Full transcript