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biology test 11

QuestionAnswer
invertebrates animals that lack a backbone
vertebrates animals that possess 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
Hermaphroditic 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
know the phylum for the sponge, snail, jellyfish, segmented sea worm, flatworm Porifera, Mollusca, Cnidaria, Annelida, Playthelminthes
know if an organisms is a univalve or bivalve mollusks bivalves
what do sponges eat and how do they get thier food sponges eat algae and bacteria by pumping the water through their body which collects the food from it
what is the difference between a hard, prickly sponge and a soft sponge? hard prickly sponges have spicules; soft sponges have spongin
which phylum of animals discussed in this module has nematocysts? phylum Cnidaria
an earthworm's seminal vesicles are full. Has it mated yet? no
what function does the cuticle perform in an earthworm? helps the earthworm to get oxygen and get rid of carbon dioxide
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 parastitic planarian? the second is the parasite
be able to identify the structures of an earthworm by labeling a diagram see diagram in book
what is the common mode of asexual reproduction among the organisms of phylum Cnidaria? budding
what is the common mode of asexual reproduction among the organisms of phylum Platyhelminthes? regeneration
Created by: libbykaly
 

 



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