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Trilobites. They are an extinct form of marine life. They lived on the sandy ocean floors and in coral reefs.
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How many invertebrate do humans have?
Humans don't have "invertebrae". First off, an invertebrate is an animal that doesn't have a vertebrae, or spinal cord.
Is a horseshoe crab a vertebrate or invertebrate?
invertebrate
What is the most poisonous invertebrate on planet earth?
The most poisonous invertebrate known on planet earth is the box jellyfish, or sea wasp.
An invertebrate has no what?
No backbone
Are Moss Vertebrate or Invertebrate?
Neither. Moss would be a plant. Vertebrate or Invertebrate are classifications for animals.
How many invertebrate do humans have?
Humans don't have "invertebrae". First off, an invertebrate is an animal that doesn't have a vertebrae, or spinal cord.
What is vertebrate and innertebrate?
Ok, first of all it is Invertebrate. vertebrates are animals with backbones. and a invertebrate is the opposite. Or an animal without a back bone.
Which invertebrate phyla was first to show cephalization?
Platyhelminthes
Is lobster a vertebrate or invertebrates?
invertebrate - has exoskeleton
Is a mussel an invertebrate or vertebrate?
An invertebrate.
What invertebrate group was the first to show cephalization?
platehelminthes (flat worms)
Is dragonflies an invertebrate?
It is an invertebrate 
Is a conch a invertebrate or a invertebrate?
no
Is a is a octopus a vertebrate or invertebrate?
The octopus is an invertebrate... It has no skeleton.
Is the bullfrog an invertebrate?
A bullfrog is not an invertebrate; it has a spine.
Is a housefly vertebrate or invertebrate?
seriously? wow....... did you pass 4th grade? invertebrate
Are seahorses vertabrates?
They are both vertebrate, and invertebrate. I know, it is confusing. I was confused at first.
