| A | B |
|---|
| Poriferans | group of animals that have a body containing many pores |
| Sessile | stays in one spot |
| specialization | cells that are able to work on their own without any coordination |
| asexual | genetrically the same |
| budding | one sponge can produce both egg and sperm |
| Examples of Cnidarians | corals, jellyfish, hydra and sea anemones |
| Example of polyps | Coral, hydra, sea anemones |
| example of Medusa | jellyfish |
| nematocysts | stinging cells |
| ingestion | pulling food into the open mouth |
| digestion | broken down food |
| excretion | waste is released |
| Tissues | groups of cells that perform special functions |
| symbiosis | algae live inside to help produce food |
| Polyp | soft cylinder with a ring of tentacles |
| Medusa | soft bodied organisms |
| Motile | move |
| Types of worms | flat___, round___ and segmented _____ |
| "platy" | flat (plate) |
| "-helminthes" | body |
| regeneration | ability to grow lost parts |
| parasite | organism that feed off of a living organism |
| Host | organism that a parasite loves off of |
| Tapeworm | use hooks to attack to host. Takes water and food and gives back nothing |
| The head and tail of a worm are connected by a | digestive tube |
| hookworms | burrows through skin and ends up in the intestines where it lives on the blood of the host |
| Trichina | lives in the muscle of pork |
| esophagus | connects mouth to the crop |
| crop | saclike organ that stores food |
| gizzard | muscular - grinds up food - digestion |
| intestine | removes nutrients leaves waste |
| anus | last opening in the digestive tract |
| setae | bristles on the underside of the worm that help it move |
| hemoglobin | carries oxygen |
| Hermaphrodites | contains both male AND female sex organs |
| Platyhelminthes | flatworm - tapeworm, planaria |
| Annelids | segmented worms -ex: earthworm |
| Dorsal | backside of the earthworm |
| Ventral | belly side of the earthworm |
| cuticle | outer layer of the earthworm |
| anterior | head of the earthworm |
| posterior | tail end of the earthworm |
| clitellum | light brown wnlarged band on a earthworm |
