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18 terms

Simple Invertebrates

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Animals without backbones are know as?
Invertebrates
How many inverterates have been named?
about a million
How many invertebrates remain to be names?
millions
Grasshopper is an
Invertebrate
Some invertebrates eat food through their?
Tissue
Invertebrates have three basic body plans or types of?
Symetry
List the 3 basic body plans for invertebrates.(symmetry
Bilateral
Ratiol
A-symetric
List 2 functions of neurons.
alow animals to sense their envirnoment
carry messages
A pouch where food is digestive
Gut
The body of cavity that surrounds the gut
Coelom
A concentrated mass of nerve cells
Ganglion
Whay are sponges considered to be animals not plants?
They cannont make their own food
How do sponges bring oxygen and food into their bodies?
They absorb the food through their pores
If part of a sponge breaks off, the sponge can
Regenerate
Sponges can use regeneration or ____________ to reproduce
Sexual Reproduction
Pores
allow water to flow into a sponge
Spicules
make up the sponges skeleton
Collar Cells
Filter and digest foods