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Does Aristotle classified animals into those with red blood and those with non red blood?
yes.He did.With blood,corresponding to vertebrates included 5 genera.Bloodless included spiders,centipede,'molluscs(our invertebrates)
Why do spiders not need a backbone?
Spiders, along with all arachnids as well as any insect are invertebrates. They do not require a backbone for the fact that they are simple and small in physical structure. Any animal with a backbone is usually larger in size, and all mammals are vertebrates.
Are gorillas vertebrates or invertebrates?
vertebrates
How do you classify vertebrates?
vertebrates have back bones.
What does this indicate about the evolution of vertebrates?
All vertebrates evolved from fish.
Are redback spiders vertebrates?
No. They are invertebrates
Which types of vertebrates of spiders are?
They're not vertebrates - they're invertebrates - because they have no internal skeleton.
Are spiders in the group of vertebrates?
yes. if vertebrate means that they have an exoskeleton
Are scorpions vertebrates?
Scorpions are not vertebrates. They do not have a backbone and are classified as invertebrates.
Is a tarantula a mammal?
No it is an arachnid, as all spiders are. Mammals are all warm-blooded vertebrates.
Are trapdoor insects vertebrates or invertebreates?
Trapdoor spiders are arachnids not insects and they are inverts.
How are lizards and spiders different?
Spiders . Have eight legs .spiders are members of the arachnids invertebrate's .spiders eat lizards lizards .most lizards have four legs .lizards belong to the reptiles class of vertebrates . Some lizards eat plants
Which animals are the spiders?
Animals are divided into two groups, vertebrates and invertebrates. Vertebrates are animals with a backbone and invertebrates are animals without a backbone. In the invertebrates group there are mollusks, Insects, crustaceans and arachnids. Spiders are part of the arachnid group along with scorpions.
List three vertebrates and three invertebrates?
Well there are four Mammals, Fish, Amphibians, and Reptiles
Are daddy long legs from the crab family?
Daddy Long Legs are spiders. Spiders are not insects and they are not vertebrates.
Is a tarantula a vertebrate?
A Tarantula is NOT a vertebrate.
What does garden spider eat?
All spiders are predators. They do not eat plants, but only other living animals. Insects, spiders, invertebrates, some small vertebrates are the typical prey items.
