sponges
what kind of body symmetry do sponges have?
a. radial
b. bilateral
c. asymmetrical
c. asymmetrical
what type of body symmetry do cnidarians have?
a. asymmetric
b. bilateral
c. radial
c. radial
this type of worm have a ribbon-like body with no body cavity
examples are planarians and tapeworms
flatworm
the gastropods are a group of mollusks that include what types of animals? (name 2)
snails and slugs
(limpets, abalone, nudibranchs, ...)
echinoderms include .....(name 3)
sea stars, sea urchins, sea cucumbers, basket stars, brittle stars, sun stars, sand dollars...
"hermaphoditic" in animals means....
(reproduction)
each individual is both male and female
what are the 2 body forms that cnidarians take
(100 each answer)
polyp (attached with tentacles facing up)
meduse (free floating with tentacles facing down)
this type of worm has a smooth, tubular, non segmented body
examples are hookworms and pinworms
round worm
the bivalves are a group of mollusks that include ....
(name 3)
clams, scallops, oysters, mussels,
what type of body symmetry do echinoderms have?
a. asymmetric
b. bilateral
c. radial
c. radial
how do sponges reproduce ASEXUALLY
makes clones by "budding" (growing little buds that fall off and become a new individual that is genetically identical to the original sponge)
3 main groups of cnidarians (100 pts each group)
jellyfish (jellies)
anemones
coral
this type of worm have complex bodies divided into repeating segments and a true body cavity, and bristles for movement
examples are earthworms, leeches, and bobbit worms
segmented worms
the mantle is the part of the mollusk body that ....
secretes (makes) the shell
echinoderms are named for their main feature, which is _____
spiny skin
where do we find most living sponges?
marine environments
what do all cnidarians have for defense and prey-capture?
stinging cells (nematocysts)
many worms require a host to live because they are _____
parasites
cephalopods are a group of mollusks that include...(name 3)
octopus, squid, nautiloids, cuttlefish
echinoderms move using .....
tube feet
how do sponges get their energy/nutrition
filter feed (pump water through using special collar cells)
what is the "jelly" called that all cnidarians have
mesoglea
The term "coelom". means
body cavity
the radula is the ......
toothy rasping tongue
the echinoderm ability to grow back arms and viscera is called ______
regeneration