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Biology Final!
Animal classes &biomes
| Question | Answer |
|---|---|
| Mollusk foot | divided into tentacles and arms |
| mollusk mantle | a thin layer of tissue that covers mollusks body |
| mollusk radula | flexible, tongue shaped structure snails/slugs use to feed |
| mollusk siphon | tubular organ through which water enters and leaves the body |
| Gastropod | class of mollusk. pond snails, land slugs, limpits. single shell that they pull into when threatened |
| Bivavles | class of mollusk. oysters, clams, mussels, scallops. two shells held together by one or two powerful muscles |
| Cephalopods | octopus, squid, cuttel fish, nautiluses. have eight tentacles with sucking disks that grab and hold prey. most have small internal shells or none. |
| Cnidarian polyp | cylindrical body with arm like tentacles and mouths that point upward |
| cnidarian medusa | motil and bell shaped body with mouths on the bottom |
| cnidarian nematocyst | poison filled stinging structure that has a tightly coiled dart |
| hydrozoans | class of cnidarian. hydras, relatives. polyp. perform specific functions. hang from float. sting prey and digest or photosynthesis. |
| scyphozoans | class cnidarian. jellyfish. medusa. can get big. small larvae in the polyp stage. |
| anthozoans | class of cnidarian. corals, sea anemones. live in all depths of ocean. large groups. polyp. colonies. |
| arthropod exoskeleton | tough external covering protects and supports body |
| arthropod spiracle | small openings located along side of body. air enters and leaves through here |
| arthropod molting | shedding of exoskeleton and makes larger one |
| crustaceans | subphylum of arthropod. crayfish, lobsters, crabs. 2 branched antennae pairs. two or three body sections. chewing mouth parts (mandibles). |
| arachnids | subphylum of arthropods. spiders, horseshoe crabs, ticks, mites. mouth parts (chelicerae). two body sections. nearly all have four walking legs. |
| uniramians | subphylum of arthropods. centipedes, millipedes. jaws. one pair of antennae. unbranched appendages. |
| swim bladder | fish. internal gas filled organ that adjusts buoyancy. |
| lateral line | fish. system used to sense motion of other organisms near by |
| Jawless fish | hagfish, lamphreys. no teeth or jaws. filter feed. skeletons made of fibers and cartilage (no vertebrae). slime. six hearts. |
| cartilaginous fish | sharks, rays, skates. cartilage skeletons. rough scales. chondrichthyes. |
| bony fish | ray-finned fish. bone skeletons connected to skin. osteichthyes. |
| amphibian skin | moist skin covered in mucus. breath through skin |
| amphibian nictitating membrane | moveable membrane located inside regular eyelid. can be closed over eye |
| amphibian tympanic membrane | ear drum on each side of head. sends sound waves to inner ear |
| salamanders | amphibian order. red salamander. long bodies, tails and four legs. carnivores. live under rocks and rotting logs (some in water) |
| frogs and toads | amphibian order. red eye tree frog, chilean red-spotted toad. no tails. frogs have long legs. toads have short legs |
| caecilians | amphibian order. legless. live in water or burrow in moist soil/sediment. feed on small invertabrates |
| ectotherm | relies on interactions with environment to help control body temperature |
| amniotic egg | composed of shell and membrane that make protected environment in which embyro can develop out of water |
| lizards and snakes. | reptile order. gecko, python. scaly. lizards have clawed toes, external eyes, moveable eyelids. snakes are good predators. |
| crocodilians | reptile order. alligators are fresh water. crocodiles are salt water. carnivores. warm areas. |
| turtles and tortoises | reptile order. terrapin. turtles live in water. tortoises live on land. shells. backbone connected to shell. tail. |
| contour feathers | lifting force and balance |
| down feathers | trap air close to body to keep warm |
| endothermic | warm blooded |
| adaptations for flight | aerodynamic feathers and wings. efficient digestive, respiratory , and circulatory system |
| mammal hair | for warmth. external. all have hair. helps maintain homeostasis. |
| mammary gland | produce milk to help nourish young |
| monotremes | mammal order. platypus. lay eggs but nourish young with milk |
| marsupials | mammal order. koala, kangaroo, wombat. bear live young that complete development in a pouch. egg in pouch fertilized by yolk sac. |
| placentals | mammal order. placenta is formed when embryo's tissue join with tissue from within mother. nutrients, oxygen, carbon dioxide, and waste are exchanged through placenta. placenta allows embyro to grow for a long period of time. |
Created by:
jumpthemoon
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