3 main characteristics of mollusks are the visceral hump, the mantle, and this
What is a muscular foot?
Clams, snails, octopuses, and nautiluses.
What are mollusks?
Jellyfish, sea anemones, and hydras.
What are coelenterates?
Earthworms, sea worms, and leaches.
Ciliated protozoan that appears slipper-shaped under a microscope.
What are paramecium?
Cephalopod with eight arms.
What is an octopus?
a precious stone formed by an oyster in reaction to an irritating particle
What is a pearl?
Clams, oysters, and scallops.
What are bivalves?
Animals characterized by spiny skin and radial symmetry.
What are echinoderms?
Feeds on the blood of their hosts.
What are leeches?
Protozoan that possess a flagellum, chloroplasts, and an eyespot.
What are euglenas?
Coelenterates that live together in colonies and form vast reefs of limestone.
What are coral?
The outer skinlike covering of a mollusk that secretes the shell.
What is the mantle?
Octopuses, squid, and nautiluses.
What are cephalopods?
Sessile animals characterized by spicules, incurrent pores, an osculum, and no nervous system.
What are sponges?
Planarians, flukes, and tapeworms.
What are flatworms?
Protozoan that uses pseudopods to move and engulf prey.
What is an amoeba?
The only animals with a water-vascular system.
What are echinoderms?
The belt like or file like scraping organ in the mouth of a snail or a slug.
What is the radula?
Slugs, conchs, and nudibranchs.
What are gastropods?
Microscopic muticellar invertebrates named for the rotating appearance of cilia on their front ends.
What are rotifers?
The bristles found on each body segment of an earthworm.
What are setae?
A disease not caused by a protozoan.
What is trichinosis?
A colorful marine slug with exposed gills.
What is a nudibranch?
Only cephalopod with an external shell
What is a nautilus?
The free-swimming umbrella-shaped form of a coelenterate.
What are medusa?
What prevents serious infections by parasitic wor industrialized nations.
What is proper sanitation?
Sessile protozoan.
What are sporozoans?