fjkalfjbio
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- 3 components of biodiversity
- -genetic -species -ecosystem
- some mammals lay eggs. True or false?
- True
- most significant increase in biodiversity loss
- habitat destruction
- nekton
- an organism that can freely swim
- pseudocoelomates have pseudocoeloms. T or F?
- True
- Ctenophores have what characteristics?
- -colloblasts (adhesive cells) -ctenes (ciliary plates) -tentacles (NOT around mouth) -no nematocysts -larval stage differs from cnidarian larvae
- multiple fog leg syndrom is caused by..
- trematodes
- 3 germ layers
- ecto, endo, mesoderm
- platyhelminthes are acoelomates. T or F?
- True
- zoonotic disease
- human disease that has an animal reservoir
- pseudocoelomates lack a..
- complete mesodermal lining
- pseudocoelomate phylums..
- -rotifera -nematoda -gastotricha -kinorhyncha
- acoelmate
- one body cavity
- pseudocoelomate
- 2nd body cavity. pseudocoel. \"tube in tube\"
- protonephridia
- in pseudocoelmates, used for excretion
- blastopore
- protostomes-mouth deuterostome-anus
- crytobiosis
- \"suspended animation\"
- outnumbers all other forms of life combined..
- insects
- molluscan body plan
- -mantle -foot -visceral mass -radula
- salamanders cannot breath without lungs and gills. T or F?
- False
- All chordates at some stage in their life cycle have:
- -notochord -dorsal hollow nerve -pharangeal nerve slits -postanal tail
- to prevent parasitizism
- -cook food -wash hands -wear shoes -wear insect repelint -wear long pants and shirts -don\'t drink pond water -don\'t eat fecal matter
- lophophorates have a..
- lophophore
- tetrapods
- amphibians, reptiles, birds, mammals
- endotherms
- mammals and birds
- birds have..
- feathers and lay eggs
- mammals must have..
- hair
- value for humans to understand cryptobiosis
- -space travel -terminally ill patients -harsh environment
- Class Myxini
- jawless fishes (hagfish)
- Class Petromyzontoidea(Cephalaspidomorphi)
- Jawless fishes (lampreys)
- Class Chondrichthyes
- Cartilaginous fishes (sharks and rays)
- Class Sarcopterygii
- Lobe finned fish, bony (coelocanth, lungfish)
- Class Actinopterygii
- Ray finned fish, bony fish (salmon, perch, flounders)
- Class amphibia
- frogs, toads, salamanders
- class testudines
- turtles, tortoises
- Class Lepidosauromorpha
- snakes and lizards
- Class Crocodilia
- alligators and crocodiles
- Class aves
- birds
- Class mammalia
- mammals
- Radial symmetry
- cnidaria, ctenophora
- deuterostomes
- echinodermata, chordata
- Always protostomes
- aceolomates, pseudo
- Either proto or deutero
- coelomates
- spiralians
- add mass to existing body -gastrotricha -rotifera -platyhelminthes -brachiopoda -entoprocta -bryozoa -annelida -mollusca -nemertea
- ecdysozoans
- molting skeleton. nematoda, arthropoda
- porifera
- sponges
- cnidaria
- hydra, jellyfish, sea anemone. complex life cycle, predaceous
- platyhelminthes
- -turbellaria (planarians) -Trematoda (flukes) -Cestoda (tapeworms)
- annelida
- sandworms, earthworms, leeches
- mollusca
- snails, slugs, sea hares, cephalopoda
- arthropoda
- arachnida, crustacea, insects
- nematoda
- round worms
- echinoderms
- sea star, sea cucumber, sea urchin.