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100
Animals without a backbone
invertebrate
100
eats plants or plant parts
herbivore
100
eats only other animals
carnivore
100
Most sponges have ____________.
asymmetrical form
100
A vertebrate is defined as having a ___________
backbone
200
body parts arranged in a circle like a wheel hub
radial symmetry
200
replacing body parts
regeneration
200
armlike structure with stinging cells
tentacles
200
body plan that is bell-shaped
medusa
200
The bodies of a sponge is covered with many small openings called ________________.
pores
300
Sponges reproduce _____________.
sexually and asexually
300
remains attached to one place for life span
sessile
300
body plan that is shaped like a tube or vase
polyp
300
Most cnidarians live in ______________.
oceans
300
Flatworms and roundworms have ______________.
bilateral symmetry
400
Tapeworms lack ______________.
a digestive system
400
The bodies of many sponges contain sharp structures called ______________.
spicules
400
animals that produce both sperm and eggs
hermaphrodite
400
An animal with ______________ has its body parts arranged in the same way on both sides of its body
bilateral symmetry
400
Heartworm is a disease in dogs caused by _____________.
roundworms
500
Schistosomiasis is a human disease caused by ___________.
blood flukes
500
Cnidarians reproduce ______________.
sexually and asexually
500
Why don't jellies have a heart?
they do not have blood to pump
500
When cnidarians are in the polyp body form, they reproduce ________________.
only asexually
500
All jellies sting.
false