General
What are the 3 types of symmetry
Asymmetry, Radial, and Bilateral
Why is this group named Porifera?
Their bodies are covered with holes or pores that water flow through?
Name 3 types of cnidarians
jellyfish, hydras, anemone, corals
What are the 3 parts of an arthropod's body
head, thorax, abdomen
Name 3 other groups of Invertebrates you studied?
Platyhelminthes, Mollusks, Nematodes, Echinoderms, Annelids
Why are Porifera called "filter feeders"?
They pump water through them and take out the nutrients and oxygen it needs to survive
What is a polyp
Basic body type of Cnidarians, Sessile and Sac-Shaped
What is a cephalothorax
What is an ectotherm?
What is the large hole used to release waster substances called?
Osculum
True or False: All cnidarians are carnivores
True
What are the 4 types of arthropods?
1. arachnids 2. insects 3. myriapods 4. crustaceans
Name an organism with an internal skeleton (double points if you can name 2)
Sea Sponges, Sea Urchin
How do Porifera reproduce asexually?
Through a process called fragementation
What is it called when a Cnidarian has both asexual/sexual and medusa/polyp phases in their life cycle?
Alternation of Generation
What are articulated appendages?
Parts of the body that have different shapes depending on their function
Which group means segmented worm?
Annelids
What is the internal skeleton made of?
Rigid spines called spicules
Flexible fibres called Spongin
What are the stinging cells on Cnidarian's tentacles called?
Cnidoblasts
What is a chrysalis state