Mollusks And Arthropods Flashcards
(23 cards)
What is a characteristic that all mollusks have?
Soft bodies.
A bivalve obtains food by..
Filtering it from the water
Cephalopods move by using…
Jet propulsion
What does all arthropods NOT have?
A backbone
An arthropod’s tough outer covering is called…
An exoskeleton
What do all millipedes have?
Two pairs of legs on each segment
The bodies of all spiders have…
2 body sections
A gastropods’s radula enables it to…
Scrape food from a surface
Snails and slugs belong to which group of mollusks?
Gastropods
Which arthropods have NO antenna?
Arachnids (spiders)
Where do most crustaceans live?
In water
What is NOT an arthropod?
Grasshopper (insect)
T or F:
Mollusks are vertebrates with soft bodies that are often covered by a shell.
False.
INvertebrates, because of soft body
T or F:
A gastropod has two shells held together by hinges and strong muscles.
False.
Bivalve. A gastropod is a snail/slug
T or F:
Arachnids have six legs but no antenna.
False.
Spiders have eight legs
Gastropods have a …… , which scrapes food from a surface.
Radula
Mollusks that have a single shell or no shell are called …… .
Gastropod
Snails/slug
The group of mollusks that has the most complex nervous system is …… .
Cephalopods
Many arthropods have appendages called …… that help them sense their environment.
Antenna
Spiders, mites, and ticks belong to the group of arthropods known as…….
Arachnids.
The kind of arthropod known as ……. Has more legs than any other kind of arthropod.
Millipede
Most bivalves are ……. animals that eat both plants and animals.
Omnivores
Crustacean larvae develop into adults by a process called …….. .
Metamphisis
