Show:
What is an animal?
Sponges and Cnidarians
Worms
Mollusks
Mollusks
100
the basic unit of structure and function in living things
What is a cell?
100
invertebrate animals that usually have no body symmetry and never have tissues or organs
What are sponges?
100
flatworms, roundworms, and segmented worms
What are the three major phyla of worms?
100
invertebrates with soft, unsegmented bodies that are often protected by a hard outer shell
What is a mollusk?
100
the group of mollusks that have two shells held together by hinges and strong muscles
What is bivalve?
200
a group of similar cells that perform a specific function
What is a tissue?
200
an immature form of an animal that looks very different from the adult
What is a larva (sing.)?
200
all worms are this because they don't possess a backbone
What is an invertebrate?
200
one example of a gastropod
What is a snail or slug?
200
an example of a bivalve
What is a oyster, clam, mussel, scallop...
300
a group of several different tissues
What is an organ?
300
invertebrates that have stinging cells and take food into a central body cavity
What are cnidarians?
300
worms are the simplest organism with this organ
What is a brain?
300
animals that eat only plants
What is a herbivore?
300
octopi and squid belong to this group of mollusks
What is cephalopod?
400
animals without a backbone
What are invertebrates?
400
polyp and medusa are types of these in cnidarians
What are body plans?
400
the type of worm that has only one body opening
What is a flatworm ( Planaria and Tapeworms)?
400
animals that eat only other animals
What is a carnivore?
400
the name of the cephalopod that has a shell
What is a nautilus?
500
*** DAILY DOUBLE*** How much would you like to wager? If you have negative points, you can wager up to 1000 points. the four functions of an animal
What are 1. obtain food and oxygen 2. keep internal conditions stable 3. move 4. reproduce
500
this is built by cnidarians
What is a coral reef?
500
segmented worms have this system, in which bllod moves only within a connected network of tubes called blood vessels
What is a closed circulatory system?
500
a flexible ribbon of tiny teeth that gastropods use to obtain food
What is a radula?
500
a cephalopod's foot is adapted to form these
What are tentacles?