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35 Cards in this Set

  • Front
  • Back

Turbellaria

Found in oceans, ponds, moist lands.



Dugesia

Trematoda

Fluke- most are parasites with protective covering



Ex:blood fluke

Cestoda

Tapeworm: parasite worms that live in the intestines

Nematoda

Round worms. Unsegmented, bilateral symmetry. One way digestive system

Scolex

Knob-shaped head with hooks, suckers, or both

Proglottid

Body segments that each have a completed hermaphroditic system

Rotifers

Transparent and free-swimming. 90% live in fresh water. Parthegenic

Porifera

Sponges meaning "pore bearers".


Sessile and have no organs

Spongin

Network of protein filters that make up the sponges skeleton

Spicules

Tiny, needlelike silicon dioxide, or calcium carbonate. No soft

Cnidaria

Contain stinging cells



Jellyfish

Polyp

Vase shaped sessile form with a dorsal

Polyp

Vase shaped sessile form with a dorsal

Medusa

Umbrella-shaped motile form with a central mouth

Planula

Free swimming ciliatated for, settles, then grows

Planula

Free swimming ciliatated for, settles, then grows

Cnidarian uses

Food source for marine animals

Planula

Free swimming ciliatated for, settles, then grows

Cnidarian uses

Food source for marine animals

Nematoda. Parasites or harmless

Most are harmless but some are parasites

Most common worm infection in kids

Pinworm

Most common worm infection in kids

Pinworm

Rotifer info

They have a crown of cilia around the mouth to pull food in

Most common worm infection in kids

Pinworm

Rotifer info

They have a crown of cilia around the mouth to pull food in

Invertebrate phyla

Porifera


Platyhelmenthes


Nematoda


Cnidaria


Rotifera

How do porifera obtain food

Pumping water through their bodies

How do porifera obtain food

Pumping water through their bodies

Collar cells

Have flagella to keep water going through the sponge

How do porifera obtain food

Pumping water through their bodies

Collar cells

Have flagella to keep water going through the sponge

Used of sponges

Clean water and recycle nutrients

Cnidaria characteristics

Motile


Have cnidocytes


2 body plans

Cnidarian body

Soft jellylike bodies with hollow central cavity

Cnidarian body plans

Can have one or both