Show:
Roundworms and Flatworms
Sponges and Echinoderms
Cnidarians
Mollusks and Annelids
Arthropods
100
Platyhelminthes means.
What is flatworm?
100
Many sponges protect themselves from predators by...
What are toxins?
100
Cnidarians have what this type of body symmetry.
What is radial symmetry?
100
Two common body characteristics of mollusks.
What is soft body often with an inner or outer shell?
100
The process of shedding the strong outer layer.
What is molting?
200
The specific name for the phylum roundworms belong to.
What is nematodes?
200
Term that best describes the feeding habits of a sponge.
What is filter feeders?
200
Special stinging cells all cnidarians have to stun or kill prey.
What are nematocysts?
200
Example of an annelid is.
What are earthworms?
200
Has 8 legs, and includes spiders and ticks.
What are arachnids?
300
Flukes and tapeworms are classified as...
What are parasites?
300
Three characteristics of an echinoderm.
What is spiny skin, five part body, water vascular system, tube feet, and internal skeleton?
300
Jellyfish, coral, hydra, and sea anemones are...
What are four members of this phylum?
300
Larval stage of an annelid.
What is trochophore?
300
Hard outer layer made of chitin.
What is exoskeleton?
400
Identify what planarians eat.
What are other animals or parts of other animals and digest food in their gut?
400
Two examples of echinoderms are.
What is sea star, sea cucumber, sand dollar, and sea urchin?
400
Cnidarians do what unusual with their mouths.
What is cnidarians also release waste using its mouth.
400
The primitive brain located on an annelid in the head region.
What is cerebral ganglia?
400
Two adaptions that help insects move.
What is wings for flying and legs for walking?
500
Explain why tapeworms have no gut.
What is so they can absorb nutrients from the intestines of their host.
500
Sponges benefit from producing gemmules because...
What is gemmules can survive freezing and drought conditions?
500
The two body forms of a cnidarian.
What is medusa and poylp.
500
These two systems are held in mantle captivity of a mollusk.
What is reproductive organ and digestive system?
500
Has two pairs of walking legs on each body segment.
What is millipede?