Don't be jelly
What type of cnidarian are Jellyfish? (Polyp or Medusa)
Medusa
How does a sponge get food?
Filter Feeding
What type of cnidarian is an anemone? (polyp or medusa)
Polyp
This is the stinging cell that injects a toxin into the prey/victim
Nematocysts
This is what we call an organism the anchors in one place and does not move
Sessile
Cnidarians belong to this Kingdom
Animal
What is the specialized cell that moves water in a sponge called?
Collar Cell
What body part do anemones use to anchor themselves to a rock or other substrate
Suction Cup
What are 3 characteristics that all cnidarians have?
Tentacles, Mouth, Gut, Nematocysts, Body
What are the three major types of cnidarians?
Jellyfish, Anemone, Corals
How does a jellyfish move around?
Currents or swimming
Sponges are not in the phylum cnidaria, what phylum are they in?
Porifera
How many cell layers do cnidarians have
2 cell layers
What is one purpose of the Nematocysts? (hint there are more than 1)
Capture prey, Defend itself
Polyps can reproduce is what type of way?
Sexual and Asexual
Jellyfish can only reproduce this one way
Sexual
How doees a sponge reproduce sexually?
Realease sperm into water and another sponge filters in the sperm
Anemones are sessile like sponges, do anemones stay in one place forever like sponges?
No they can move around
Where are the nematocysts located on cnidarians?
Tentacles
All cnidarians show this type of symmetry
Radial Symmetry
What are two pieces of evidence to show a jellyfish is a medusa
Not sessile/not attached to something, Mouth faces down, Body is umbrella/mushroom shaped
Sponges are considered what kind of plankton? (Holo or Mero plankton)
Meroplankton
What are two pieces or evidence to prove something is an anemone
Sessile/attacheed to something, mouth facing upwards, bowl shaped
Why are some cnidarians considered more dangerous than others?
How toxic their venum is to their prey/victim
How does a sea anemone eat?
They wait for prey to come by before stinging them with nematocysts and then grabbing with tentacles. Passive Predators