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Q: How are animal classified on the basis of presence or absence of the backbone in their bodies?
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Are hydras invertebrates?

Yes. They have no backbone therefore, being classified as an invertebrate animal.


Are animals classified according to their body structure?

Animals are classified according to many factors the first group is broke down based on if they have a back bone. Then they are classified by cell types such as animal cells, plant cells and fungi.


What are some question you would ask to classify an animal?

One of the questions that you should ask yourself when classifying the animals is the absence or the presence of the backbone. The number of legs and body parts is another question that you should ask yourself.


What determines that animal is invertebrate?

That is decided by the vertebral column. Vertebrates have a vertebral column.


What is an animal that has a backbone?

An animal with a backbone is called a vertibrate.


What structural characteristic does a taxonomist look for in classifying an animal?

A taxonomist looks for shared physical traits and genetic relationships when classifying an animal. These characteristics help determine the animal's evolutionary lineage and its place within the classification system.


Why would a scientist classify an animal a vertebrate?

A scientist classifies an animal as a vertebrate if it has a spinal cord, or notochord. Most vertebrates have a backbone, but the Phylum Cephalochordata do not have backbones but are still classified as vertebrates.


What is the smartest animal without a backbone?

The smartest animal without a backbone will have to be an octopus


How does size of a backbone determine how big an animal will be?

does the backbone determined the size of animal


Animal that has a backbone?

All mammals have a backbone.


Animals with back bone?

animals with backbones are:cats, dogs, zebras,sheep, cows and many more


Is a flamingo a vertebrate or a invertebrate?

An invertebrate is an animal that doesn't have a backbone. A vertebrate is an animal that has a backbone. Since a flamingo has a backbone, (like all birds) it is a vertebrate.it is vertebrate