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Invertebrates/TUSTIN
Question | Answer |
---|---|
sponges are animals that have many: | pores |
water moves through a________ _________:( water moves out a hole in the top | central cavity |
they have specialized cells for obtaining________ and ______________ from the water | food oxygen |
segmented worms have long tube like bodies that are divided into | segments |
they are the simplest organisms with a true __________ __________ and ____________ contained in __________ | nervous system blood vessels |
a long _________________________ runs down the length of the worm's inner body | digestive system |
worms take in dissolved oxygen from the water through their | skin |