phylum cnidaria
are cnidarians vertebrates or invertebrates
invertebrates
are mollusks vertebrates or invertebrates
invertebrates.
There are two types of organisms within Kingdom Animalia:
Vertebrates and Invertebrates. Which one do porifera fall into?
Invertebrates
what is budding
its the way sponges reproduce.
what is the mantle on a squid
it is the body the main area
what are 2 body forms for cnidarians.
polyp and medusa
what are 2 examples of bivalves
Muscles Clams
Oysters
what does sessile mean
immobile
what's the flagella
Flagella the tail of the collar cells that create a current to aid in feeding
by trapping food
do squids have organs
yes
how many cell layers do cnidarians have.
2
what does cephalopod mean
head foot.
what is radial and asymmetry
___all structures coming off a central point are equal. Sponges can have radial
symmetry
asymmetry means not symmetrical, sponges mostly are asymmetrical
what is the osuclum
Osculum the opening of the sponge on the top
what is the radula
the tongue of a squid.
what are the characteristics of polyp and medusa body forms
1. Polyp
○ Tubular
○ Sessile
○ Examples:
■ Sea Anemone
■ Coral
■ Sea Pen
2. Medusa
○ Bell Shaped
○ Free swimming
○ Examples:
■ Sea Jellies
what are chromatophores.
Spots on the body that change size and color
○ Used for camouflage and communication
what is a Heterotroph
a plant that does not produce its own energy. sponges are filter feeders.
what are the pores.
Pore allows water to enter
why is a squids beak called a beak
it resembles a birds beaks
name 4 classes of cnidaria
Anthozoa
Scyphozoa
Cubozoa
Hydrozoa
name 3 classes of Mollusca
Cephalopod
Bivalve
Gastropod
what are Choanocytes
cells that have a moving tail which creates a
current to aid in feeding by trapping food particles
how do sponge circulate water in their body
water comes into the pores, then flows through the spongocoel and then out through the osculum
what is the go gonad and what does it show