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What is one difference among animals that is used to classify them into two large groups?
Porifera(sponges) and Nematoda(roundworms).
What are two parasitic animals?
Roundworms and tapeworms, among many others.
What are two types of cnidarians that are formed by colonies?
small cnidarians and big cnidarians
What type of animal uses toxins on nematocysts to capture prey?
jellyfish and mosquitoes are two creatures that have nematocust a stinging cell used by animals hunting and stunning their prey
All animals can be placed in one of two groups what are the two groups?
Vertebrates and invertebrates.
What two groups did Aristotle divide animals into?
He divided animals into two groups- those with red blood and those without it.
What are two groups of animals that are ruled by females?
Elephants and bees are two animals that have a female as the leader.
Two types of roundworms?
hookworm
Are cnidarians protostomes?
No, cnidarians are not protostomes. They are classified as diploblastic animals, meaning they have two germ layers during development (endoderm and ectoderm), whereas protostomes are triploblastic animals with three germ layers. Cnidarians are more closely related to animals like jellyfish, corals, and sea anemones.
How did Aristotle subdivied his two groups?
Aristotle subdivided his two groups of animals based on their blood. He classified animals as either having blood (vertebrates) or not having blood (invertebrates).
The two major groups of animals are?
Vertebrates and Invertebrates
What are two major decomposes groups?
Plants and animals
