Crayfish are invertebrates.
No, they are crustaceans, not fish . they are invertabrates.
No, crayfish are invertebrates, as they have an external hard covering, and they do no not suckle their young!
They are both invertebrates.
Animals without back bones are called Invertebrates.
No. Platypuses feed only on tiny invertebrates such as insect larvae, crayfish and annelid worms.
Exoskeleton: Crayfish have a hard shell, and no bones. That makes crayfish invertebrates (no spine). Gills: Crayfish respire underwater through gills, where humans use lungs. The circulatory system is the second one, the reason for this being that crayfish have no blood vessels (and humans obviously do).
Well, honey, a crayfish is a non-vertebrate animal. It falls under the lovely category of invertebrates because it doesn't have a backbone to strut its stuff. So, next time you see a crayfish, just remember it's all squishy and spineless, just like your ex.
No. Platypuses do not eat fruit. They are carnivores, feeding entirely on freshwater invertebrates such as crayfish, insect larvae and annelid worms.
Macro invertebrates are organisms with no backbone or spine that can be seen without the use of microscope. The best examples are flatworms, crayfish, snails, clams and dragonflies.
The kiwi's prey includes earthworms, insect larvae and other invertebrates. They have been known to eat eels, freshwater crayfish, small lizards and even frogs.
No. Apart from the fact that there are no minks in Australia, the platypus generally does not feed on other vertebrates. It only feeds on invertebrates such as annelid worms, crayfish and insect larvae.