Bivalves
This animal builds a beautiful defense against parasites that humans then harvest and sell in jewelry
oysters
What are chromatophores?
specialized cells that allow mollusks to change color
What is a sand dollar's skeleton called?
test
The removal of a crab's exoskeleton is called...
molting
What defines a detritivore?
an animal that eats detritus, including feces and decomposing plant and animal matter
this animal uses its foot to burrow into sand
clam
True or false: both octopus and squid are venomous
True
This animal releases its toxic guts as a defense mechanism
Sea Cucumber
What is a cheliped?
A crab's claw
What is the primary difference between a dogwinkle and a periwinkle?
diet
What is the only bivalve capable of swimming?
scallop
How many tentacles does a squid have?
two
This animal is capable of decimating kelp forests if left unchecked.
sea urchins
This type of crab uses kelp, other animals, shells, rocks, and more to disguise itself from its predators
Give an example of a cnidarian
jellyfish
sea anemone
coral
This is the part of the scallop that humans eat
adductor muscle
These mollusks have been known to use tools, traps, and other strategies to catch their prey
octopus
How do echinoderms move around?
This group of crabs saw a severe population collapse over the last few years
Snow Crabs
Give one example of a gastropod
dogwinkles
periwinkles
Lewis' Moonsnail
Limpets
Chitons
Nudibranchs
Mussels
What is a female octopus' last act?
caring for her eggs before they hatch
This echinoderm is a major apex predator in its ecosystem.
This animal starts as a plankton before attaching itself to a substrate for life
barnacle
What does the Greek root "knide" mean, helping form the word cnidarian?
nettle