Term
| 2 main divisions of animal kingdom |
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Definition
vertebrates-with backbones invertebrates-without backbones |
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Term
| what phylum do sponges belong to |
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Definition
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Term
| what are the characteristics of sponges |
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Definition
pores central cavity 2 layers one opening for food/waste asexual/sexual reproduction live in fresh/salt water |
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Term
| what types of asexual reproduction do sponges have |
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Definition
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Term
| what type of sexual reproduction do sponges have |
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Definition
| they have eggs and sperm but cannot fertilize themselves-sperm swims to another sponge and fertilizes its eggs |
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Term
| what is meant by hermaphrodite |
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Definition
| 2 sexual structure in one body |
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Term
| what is meant by the term sessile |
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Definition
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Term
| what are the 2 body forms of a coelenterate |
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Definition
| polyp-vase shape/medusa-bowl shape |
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Term
| what organisms belong to the phylum coelenterates |
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Definition
| jellyfish/coral/sea anemone/hydra |
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Term
| what type of reproduction do coelenterates have |
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Definition
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Term
| how do coral form their shell |
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Definition
| the shell is the excreted waste containing minerals from the surrounding water |
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Term
| what are the stinging cells in coelenterates called tentacles called |
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Definition
| nematocysts containing cnidoblasts |
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Term
| what are the tentacles used for |
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Definition
| gathering food and stunning the organism they are going to feed on |
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Term
| what are the 3 phylum of worms |
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Definition
| flatworms/roundworms/segmented |
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Term
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Definition
| a non-parasitic,free swimming flatworm |
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Term
| what is the eyespot used for in a planaria |
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Definition
| to find darkness for protection from predators-it is photosensitve |
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Term
| does the planaria have a digestive tract |
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Definition
| yes,it has a pharynx which sucks up food from the bottom of the pond. |
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Term
| where is the pharynx found |
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Definition
| on the underside of the planaria |
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Term
| what type of reproduction does planaria have |
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Definition
it is hermaphroditic sexual asexual-fission |
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Term
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Definition
| a parasitic worm which attacks the liver-blood cells |
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Term
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Definition
| a parasitic worm which attacks the intestine |
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Term
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Definition
| a head with hooks and suckers and a long ribbon-like tail |
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Term
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Definition
it is long,thin and pointed at both ends it is parasitic |
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Term
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Definition
| hookworm,pinworm,trichina worm,ascaris and elephantiasis |
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Term
| what are several segmented worms |
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Definition
| earthworms,marine worms,leeches |
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Term
| what are the characteristics of segmented worms |
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Definition
segments mouth and anus 3layers hermaphroditic |
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Term
| name the parts of an earthworms digestive tract |
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Definition
| mouth,pharynx,esophagus,crop,gizzard,intestine,anus |
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Term
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Definition
| food tube connects mouth to crop |
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Term
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Definition
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Term
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Definition
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Term
| what does the intestine do |
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Definition
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Term
| what is the prostomium on an earthworm do |
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Definition
| it is the lip which covers the mouth and pushes dirt into the mouth |
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Term
| what type of circulatory system do earthworms have |
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Definition
| closed-flows through a series of tubes in a circular pattern |
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Term
| does the earthworm have a brain |
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Definition
| a simple "brain" and 1 nerve cord with branches that run to segments |
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Term
| what type of reproduction does the earthworm have |
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Definition
they are hermaphrodites there is an exchange of sperm between 2 worms mucus picks up egg/sperm and fertiliztion occurs |
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Term
| what type of fertilization occurs |
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Definition
| external-zygote dropped into soil protected by mucus. |
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Term
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Definition
| it is the band across the anterior end of the worm used to secret mucus |
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Term
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Definition
| they remove liquid waste form the earthworm |
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Term
| what is the anterior of an animal |
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Definition
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Term
| what is the posterior of an animal |
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Definition
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Term
| what is the dorsal surface of an animal |
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Definition
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Term
| what is the ventral surface of an animal |
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Definition
| the belly side or lighter area |
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Term
| what do we mean by a cross section cut |
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Definition
| a cut made from left to right on an animal to be dissected |
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Term
| what do we mean by a longitudional cut |
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Definition
| a cut made from the anterior end to the posterior end during dissection |
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|
Term
| hoe does an earthworm breathe |
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Definition
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Term
| 3 layers of tissues in worms |
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Definition
| endoderm/mesoderm/ectoderm |
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Term
| collection of nerve cells |
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Definition
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