Echinodermata/
Cnidarians
Cnidarians
Chordata
Porifera/
Arthropoda
Arthropoda
Marine Mammals
Food web/ chain
100
What type of symmetry does an echinodermata have?
Penta-radial
100
What does it mean to be a chordate
Has a spinal chord or backbone
100
More species evolve to into this phylum more than other.
Arthropoda. Many species have evolved from other crustaceans' into specifically crabs
100
Why do sea otters hold hands while sleeping?
To not drift apart from its mate
100
Food webs and food chains show the flow of what?
The flow of energy
200
Cnidarians use stinging cells to immobilize prey. What is the name of this cell?
Cnidoblasts
200
Osteichthyes is which type of fish?
Bony
200
The cells at the top of the sponge that control flow of water are called what?
collar cells
200
While most assume a walruses tusks are for fighting their main purpose is actually much less heroic. What is it?
a guiding rod for feeding along the bottom of the ocean and occasionally for helping climb up ice
200
The following is which: a food web or food chain
Food chain
300
What are the two forms of a cnidarian?
Polyp and medusa
300
Which of the following animals would not fall into the phylum chordata?
Great White shark, Killer Whale, Sea snakes, Sea stars, Mahi Mahi
Sea stars
300
Sponges are able to feed through what process?
filter feeding
300
Killer whales, other toothed whales, and dolphins find their prey using method similar to radar. It is known as what?
echolocation
300
How much energy passes up each step of a food chain?
10%
400
What is the main way in which brittle stars feed?
Filter feed
400
Give an example of a marine bird
varying answers
400
Definition of articulation
able to bend joints at specific points
400
Baleen whales have teeth
True or false
False
400
In this food web algae is consumed by what?
Limpets
500
How does a cone snail kill its prey?
Varying answers
500
Agnatha's are which type of fish?
Jawless
500
The process in which sponges reproduce
asexually
500
One adaptation marine mammals have for staying warm in cold water
blubber
500
*Double Jeopardy*
Which of the following the food chain is the tertiary consumer?
dinoflagellate -> copepod -> krill -> herring -> lemon shark
Herring