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He divided animals into two groups- those with red blood and those without it.

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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).


Aristotle contributed to the science of taxonomy when he classified animals in 2 groups and plants in how many groups?

Aristotle classified animals into two groups based on their red blood and bloodless characteristics. He also classified plants into three groups based on their size and complexity: trees, shrubs, and herbs.


What two groups did scientists divide organisms into before the sixteen hundreds?

Plants and animals.


How did Aristotle subdivide his two groups?

Aristotle subdivided living organisms into two main groups: plants and animals. Plants were further subdivided based on whether they had flowers (flowering plants) or not (non-flowering plants). Animals were classified based on characteristics like blood circulation, habitat, and reproductive methods.


When you divide plants trees animals and flowers what are the two groups called?

The two kingdoms would be Animalia (for animals) and Plantae (for flowers, plants and trees)


What three groups did Aristotle use to group animals?

The Father of Zoology and great Greek philospher Aristotle (384-322 B.C.) divided the animals into two main groups.#1. Anaima:Animals without red blood comprise this group, which is further subdivided into five sub-groups:a. Sponges and Coelenteratab. Insects and Spidersc. Crustacead. Cephalopodae. Mollusca and Echinodermata.#2. Enaimas:Animals with red blood comprise this group, which is further subdivided into two sub-groups:a. Vivipara: Viviparous animals.b. Ovipara: Oviparous animals.


What are the two first groups organisms was placed in?

The two first groups of organisms were placed in the categories of plants and animals. This system of classification based on physical characteristics was established by Aristotle in ancient Greece.


Aristotle divided living organisms into two categories?

Aristotle initially divided living organisms only into two groups which are plants and animals. The system was not proven to be good because there were too many species of plants and animals. However, the system was used for 2000 until the time of Linnaeus.


Scientists divide animals into two groups based on whether or not an animal has a backbone. true or false.?

yes


How many groups did the philosopher systemes of classification have?

The philosopher Aristotle's system of classification had two main groups: animals and plants. He further divided these into smaller categories based on shared characteristics and traits.


What were the two main groups used by Aristotle and Linnaeus?

Aristotle used a classification system based on blood (blooded and bloodless), while Linnaeus used a system based on the number and arrangement of reproductive organs (sexual and asexual).


Who developed the two name system for naming plants and animals?

Aristotle