If by animal you mean 'anything that respirates(oxygen)' then the two major subdivisions would be protozoic and metazoic. That is single celled and multi-celled. If by animal you mean 'Metazoic repirators(oxygen)' then the two major subdivisions would be protoastomes and dueterostomes. That is single opening to digestive tract and two openings to digestive tract. (With sponges forming a third branch that we will ignore for the sake of the two division criteria.)
The primary distinction between being an animal and being a human is our level of intelligence. Technically, humans are still classed as an animal.
vertebrae and invertebrate
Biology (the study of life) Botany (study of plants - flora) Zoology (study of animals - fauna) Of cause one can break these down further into sub disciplines (e.g. entomology)
There are many different kinds of spiders. More than just two. If you still have a question, try more specific kinds of spiders.
Animals that have two heads? There are very rare two-headed snakes, I know that for sure. Maybe some mythical animals, like dragons, have two heads.
There are not any animals that have more than two ears. The ears of animals help them to hear things, especially predators.
Oxygen and co2
well plants make their own food and plants cant move
If by animal you mean 'anything that respirates(oxygen)' then the two major subdivisions would be protozoic and metazoic. That is single celled and multi-celled. If by animal you mean 'Metazoic repirators(oxygen)' then the two major subdivisions would be protoastomes and dueterostomes. That is single opening to digestive tract and two openings to digestive tract. (With sponges forming a third branch that we will ignore for the sake of the two division criteria.)
equation
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There are no differences in the numbers.
Plants have chlorophyll and cell wall while animals are heterotrophs and motile .
Yes, both similarities and differences can be drawn out of any two objects. This would apply to any two animals, whether they were different or the same species.
yeh ask your mum or dad
Roundworms and tapeworms, among many others.
wala lang
Vertebrates and Invertebrates