Cnidarian Quiz 5/14/18
how long is praya?
120 feet
How many sets of muscles do cnidarians need in order to bend in any direction?
2 sets
What was one of the first animals to be able to move?
Cnodarians
What are the two body forms?
Medusa Polyp
Cnidarians were originally classified as what?
Plants
Which body form came first?
Polyp
Is a coral reef made up of an animal or plants?
animals
What is the kingdom?
animilia
This is longer than what other animal?
blue whale
What is the phylum?
cnidaria (stinging cells)
How does the cnidarian get away from the sea star?
detaches from rock and waddles away?
Who was the first to solve the mystery cnidarians were animals or plants?
early biologists
What is the domain?
eukaria
How long can anenome battles last?
hours - days
What are the 4 classes?
hydrazoa anthozoa syphozoa cubozoa
After millions of years, what type of animals did cnidarians start to become?
jellyfish
what are the dominant animals in the deep sea?
jellyfish
Which of the body forms is dominant?
medusa
what 2 structures did cnidarians develops over 500 million years ago to help them digest food?
mouth and stomach
Whats inside the capsules on the tentacle of an anemone?
nematesis (stinging cells)
in addition to muscles, what else do cnidarians have that allow them to move?
nerves
what is the immature stage of a jellyfish called?
polyp form
What is the symmetry?
radical
In addition to catching pray, what are these weapons used for?
self defense and protection
What did this man observe that convinced him they were animals?
sponges
a long time ago, only one type of animal existed, what was it?
sponges