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32 Cards in this Set
- Front
- Back
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how does the phylum porifera excrete waste |
water is let out of the osculum |
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what does sessile mean |
to not move |
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how does the phylum porifera reproduce sexually |
egg and sperm cells are produced by amoebic cells, sperm leaves one sponge and is filtered into another to cause fertilization |
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how does the phylum porifera asexually reproduce |
regeneration of cells, gemmule (spore) formation, budding |
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what is an example of phylum porifera |
the sponge |
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how does the phylum cnideria excrete waste |
wastes will leave through the mouth (anus) |
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what are example species in the phylum cnideria |
jellyfish, corals, portugese man of war |
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what phylum is motile in medusa stage and sessile in polyp stage |
phylum cnideria |
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how does the phylum nematoda excrete waste |
wastes leave through anus and excretory pores |
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how does the phylum platyhelminthes excrete waste |
waste moved out through pores |
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what are planarians and what phylum do they belong to |
non parasitic flat worms which belong to the phylum platyhelminthes |
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what are tapeworms and what phylum do they belong to |
internal parasites (must have a host) |
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flukes |
internal parasites (cause a blood infection) |
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what is an ecoparasite and what phylum does it belong to |
lives on the outside of the host |
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what does the nervous system of the phylum annelida look like |
anterior brain with a ventral nerve cord |
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how does the phylum annelida respire |
gasses diffuse across body wall closed cirulatory system with hearts |
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what are the 3 major parts of the phylum mollusca |
visceral mass, foot, and mantle |
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what is the function of the visceral mass |
soft portion that contains internal organs |
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what is the function of the foot |
used for movement |
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what is the function of the mantle |
the region that surrounds and protects the visceral mass |
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what are the 3 main groups belonging to the phylum mollusca |
gastropods, cephalopods, bivalves |
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what are examples of gastropods |
snails, seaslugs |
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what are examples of cephalopods |
octopus, squid |
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what are examples of bivalves |
clams, oysters |
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what is a major characteristic of the phylum arthropoda |
have an exoskeleton made out of chitin, must shed their skeleton in order to grow |
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what are the subphylums of the phylum arthropoda |
crustacea, uniramia, chelicerata |
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what is metamorphosis |
change is physiology and anatomy that occurs as it matures from a larva to an adult |
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what are the characteristics or the phylum echinodermata |
all salt water organisms, endoskelleton of spiny plates, many have radial symmetry |
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what group and phylum to sea stars belong to |
asteriodea in phylum echinodermata |
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how does the phylum echinodermata reproduce |
sexually and asexually |
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what are examples of the phylum echinodermata |
sealillies, sea cucumbers, brittle stars, sea urchins |
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how do sea stars respire |
skin gills- extensions of skin for gas exchange |
