Study your flashcards anywhere!
Download the official Cram app for free >
- Shuffle
Toggle OnToggle Off
- Alphabetize
Toggle OnToggle Off
- Front First
Toggle OnToggle Off
- Both Sides
Toggle OnToggle Off
- Read
Toggle OnToggle Off
Reading...
How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
A key: Read text to speech.a key
Play button
Play button
15 Cards in this Set
- Front
- Back
|
what is a lophophore? what is a trocohphore larvae?
|
-a feeding structure that surrounds the mouth(a ring of tenticles)
-a life stage |
|
|
what kind of feeders are rotifers? how do they swim?what kind of coelom do they have?
|
-suspension feeders
-spinning structure called corona -pseudocoelom |
|
|
how do rotifers reproduce?
|
through mitosis so the eggs have full set of DNA no need for a male to fertilize-ASEXUAL
|
|
|
what are platyhelmnthes? what kind of coelom do they have? what are they three lineages?
|
-flat worms
-acoelom -terbullarians(flat worms) -cestodes(tape worms-in digestive tract) -trematodes(flukes-in circulatory system) |
|
|
what are annelidas?what kind of coelom do they have?what are the two major groups?
|
-segemented worms
-true coelom - polychaeta(many bristled worms) and citelleta |
|
|
what are the two typs of citelleta?
|
1. oligochaetes(earth worms)
2. nirudrruea(leeches) |
|
|
how do earth worms reproduce?
|
they are hermaphridites and use oviaparity
|
|
|
what is...
oviparity viviparity ovoviparity |
-egg laying
-fertilization and growwth inside the female(humans do this) -ovoviparity(egg dispersed inside mom and they grow off the nutrients of yolk when fully grown then give birth |
|
|
what are molluscs? what structures do they have?
|
-squid and clams
-muscular foot, visceral mass(organs, feeding structure) and a mantle(secretes the skeleton) |
|
|
what are the 4 examples of molluscs?
|
-bivalvia(clams, scallops)
-gastropoda(snail) -polyacorphora(chiton/have8plates on their shell) -cephalopoda(squids, octupus) |
|
|
what is the key tratit of ecdysozoa? and what are they types?
|
-shed theur skind
-nematoda(round worms)and arthropods(spiders insects) |
|
|
what kind of skelton does the nematoda have?
|
and endoskeleton under a cuticle layer
|
|
|
what kind of skeleton does the arthropd have?
|
and ectoskeleton,not cuticle layer
|
|
|
how many molt stages does the nematoda go through?
|
4
|
|
|
what types of coelem do the nematoda and the arthropod have?
|
-nematoda=pseudocoelom
-arthropoda=coelem |
