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Intro to Animals

Ch 12

TermDefinition
Traits that ALL animals have in common Eukaryotic cells, multi-cellular, consumers, digest food, reproduce sexually, move
detritivores animals that eat dead or decaying matter
omnivores eat both plants and animals
carnivores eat meat or other animals
herbivores eat only plant material
decomposers break down dead matter into soil
cilia hairlike structures used for moving
polyp group of Cnidarians that don't move- Hydra & Coral
sessile animals that are attached to one place most of their lives
medusa group of Cnidarians that are free swimming- Jellyfish
Cnidarians Animal phyla that contain jellyfish, coral, hydras, sea anemones, man-of-war
Sponges Simple animals that are filter feeders
parasites animals that feed off of other living things- harmful
free-living animals that can go get their food as needed
Nematodes another name for Roundworms
Sexual Reproduction requires two different parents & creates a new offspring that is not identical
Asexual Reproduction requires one parent that makes an identical offspring
regeneration regrowing of missing parts
budding when plants & animals grow an identical copy of itself that breaks off the parent
fission splitting in half to make 2 identical copies
symmetry how animal body parts are arranged
bilateral symmetry body parts that have 2 matching halves
asymmetrical animals with no definite shape
radial symmetry animals with a round body shape with the mouth in the middle
camouflage when animals blend in with their habitat
mimicry when animals copy another animal's behavior or appearance
adaptations any structure or trait that helps an organism to survive
Invertebrates animals with no backbones
Vertebrates animals with a backbone
predators animals that hunt & kill for their food
prey animals that are hunted
tentacles arm-like structures that help animals capture food
stinging cells cells found at the end of tentacles that stun prey
hermaphrodites animals that contain both sperm & egg cells
Created by: hubblep
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