Term
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Definition
| Multicellular, eukaryotic, heterotrophic, and cells lack a cell wall |
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Term
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Definition
| No vertebral column (backbone)
95% of animalia |
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Term
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Definition
- Have a vertebral column (backbone)
- 5% of animalia
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Term
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Definition
| the results of these processes stops or limits the process (maintain homeostasis) |
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Term
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Definition
| the fertilized egg (zygote) divides and eventually becomes a Blastula/Gastrula |
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Term
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Definition
| a hollow ball with a single layer of cells |
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Term
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Definition
| the blastula ball folds in, forming an opening called blastopore |
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Term
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Definition
- the blastopore becomes the mouth
- occurs in most invertebrates
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Term
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Definition
- the blastopore becomes the anus
- occurs in most vertebrates
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Term
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Definition
- outer layer of cells
- develops into the skin and nerve tissue
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Term
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Definition
- inner layer of cells
- develops into the lining of the digestive tract and respiratory system
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Term
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Definition
- middle layer of cells
- in advance animals - becomes muscles and organs
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Term
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Definition
| arrangement of body parts |
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Term
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Definition
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Term
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Definition
| body parts that repeat around the center |
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Term
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Definition
| a single imaginary plane can divide the body into 2 equal halves. |
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Term
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Definition
| head or front end of body |
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Term
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Definition
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Term
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Definition
| upper or backside or body |
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Term
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Definition
| lower or bellyside of body |
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Term
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Definition
| (in animals with bilateral symmetry) the concentration of sense organs and nerve cells at the front end of the body |
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Term
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Definition
| body cavity (fluid filled space) |
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Term
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Definition
- sponges
- provide habitat for marine organisms
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Term
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Definition
| use flagella to draw water in through the incurrent pores |
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Term
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Definition
- excurrent pore
- larger opening at the top of the sponge
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Term
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Definition
- thorn-like structures in hard sponges
- support structure
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Term
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Definition
- produce spicules
- complete the digestive process
- transport material
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Term
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Definition
- jellyfish
- hydra
- sea anemones
- corals
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Term
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Definition
| stinging cells on Phylum Cnidaria tentancles |
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Term
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Definition
| a poision-filled, stinging "dart" located inside a cnidocyte |
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Term
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Definition
| mouth and tentacles point up (usually sessile) |
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Term
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Definition
| mouth and tentacles point downward (motile) |
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Term
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Definition
| digestive chamber with one opening |
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Term
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Definition
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Term
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Definition
| muscles that allow movement |
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Term
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Definition
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Term
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Definition
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Term
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Definition
- planaria
- free living (no parasitic)
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Term
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Definition
| a muscular tube for bringing in food |
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Term
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Definition
- flukes
- parasitic (infect internal organs of host)
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Term
| Blood Fluke - Schistosoma |
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Definition
- can penetrate human skin, travels through circulatory and digestive systems
- robs body of nutrition
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Term
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Definition
- tapeworms
- parasitic flatworms
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Term
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Definition
| knob shaped head with hooks and suckers |
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Term
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Definition
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Term
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Definition
| form in sponges when the environment is bad |
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Term
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Definition
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Term
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Definition
| contains both male and female parts |
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Term
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Definition
| cnidaria with sexual, external fertilization |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| causes Trichinosis - forms cysts in muscles, very painful |
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Term
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Definition
| causes Elephantiasis - blocks lymph vessels |
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Term
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Definition
- causes malnutrition
- eggs hatch in intestines, move to blood stream, to lungs, then coughed up, swallowed again, and cycles.
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Term
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Definition
- penetrate bare feet
- cause bleeding and anemia
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Term
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Definition
- common in children
- cause anal itching
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Term
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Definition
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Term
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Definition
| internal walls between segments |
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Term
| Closed Circulatory System |
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Definition
- circulatory system type in fast moving mollusks
- squid and octopus (also in segmented worms)
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Term
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Definition
| thickened band for releasing egg and sperm |
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Term
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Definition
| bristles on ventral surface |
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Term
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Definition
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Term
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Definition
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Term
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Definition
- external blood sucking parasites
- used in medicine (reattachment)
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Term
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Definition
| bristle worms and feather dusters |
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Term
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Definition
- clams
- snails
- oysters
- slugs
- squid
- octopus
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Term
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Definition
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Term
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Definition
| muscle for movement (or divided into tentacles) |
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Term
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Definition
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Term
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Definition
| produced by the mantle (0-2 in number) |
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Term
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Definition
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Term
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Definition
| scraping structure found in slugs and snails |
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Term
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Definition
| allows water to enter and leave body (squid and octopus) |
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Term
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Definition
- type of circulatory system in slow moving mollusks
- snails and clams
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Term
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Definition
| movement type in squid and octopi |
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Term
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Definition
- contain 0-1 shells
- snails, slugs, nudibranchs, conches
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Term
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Definition
- contains 2 shells
- clams, oysters, scallops
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Term
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Definition
- contain small or no shell
- can be modified into a pen in a squid
- octopi, squid, cuttlefish, chambered nautilus
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