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invertebrates
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Bio module 11

Biology module 11 test

QuestionAnswer
invertebrates animals that lack a back bone
vertebrates animals that posses a backbone
nematocysts small capsules that contain a toxin which is injected into prey or predators
posterior end the end of an animal that contains its tail
hermaphrodite possessing both the male and the female reproductive organs
mantle a sheath of tissue that encloses the vital organs of a mollusk, makes the mollusk's shell, and performs respiration
which phylum of animals discussed in this module has nematocysts? the organisms of phylum Cnidaria
what do sponges eat and how do they get their food? sponges eat algae, bacteria, and organic material that is in the water. they get their food by pumping water through their body and capturing the food from the water
two members of phylum Platyhelminthes are studied. the first has a complex nervous system and the second does not. which one is most likely the parasitic planarian? the second planarian
an earthworm's seminal vesicles are full. has it mated yet? it has Not mated
what is the difference between a hard, prickly sponge and a soft sponge? hard, prickly sponges contain spicules while soft sponges contain spongin
what function does the cuticle perform in an earthworm? the cuticle allows the earthworm to get oxygen and release carbon dioxide
what is the common mode of asexual reproduction among the organisms of phylum Platyhelminthes? they're reproduced by regeneration
what is the common mode of asexual reproduction among the organisms of phylum Cnidaria? members of phylum Cnidaria asexually is reproduced by budding
place each of following organisms into its proper phylum: a.sponge b.Snail c.Jellyfish d.Segmented sea worm e.Flatwom a.porifera b.mollusca c.cnidaria d.annelida e.platyhelminthes
is a clam with two shells univalve or bivalve mollusks? bivalve because they have two shells
 

 



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