Unit 9 Review Flashcards
What kind of skeleton dose a vertebrate have
An endoskeleton
How do sponges feed, what protein is their support structure made up of
The take water in and separate the food out of it, spongin
What are choanocytes and amoebocytes
They bring water with food in it into the sponge and distribute nutrients to the cells
What are the three layers of tissue in a cnidarian
Ectoderm: outer layer
Mesoglea: middle layer
Endoderm: inner layer
What distinguishing structures are found on the tentacles of cnidarians
Nematocysts on there tentacles
If a cnidarian is a planula, what stage of its life cycle was it in previously? What stage comes next?
Medusa, polyp
What is the relationship between the sea anemone and the clown fish
It is a mutualistic relationship
What is the difference between a complete digestive system and an incomplete digestive system
The incomplete complete digestive system only has one opening for food to enter and easy to exit
What genus is the flatworm from? What phylum? What is its mode of asexual reproduction
Planaria, platyhelminthes, regeneration
Explain the difference between an intermediate host and a primary host
A primary host is where the organism reproduces
What is a proglottid and in what flatworm can proglottids be found
A proglottid is what makes up the strong body’s of the tapeworm
What phylum contains invertebrates with spiny skin
Echinodermata
what phylum consists of invertebrates with bodies that can be divided into a head, a visceral mass, a strong muscular foot, and a mantle
Mollusca
How do you distinguish between gastropods, cephalopods, and bivalves
Gastropods: snails and slugs
Cephalopods: have a pronounced head
Bivalves: have a 2-part shell
What phylum contains the segmented worm
Nematoda
