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Vestigial structures

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Q: Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed?
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Related questions

What is the term for a reduced often functionless anatomical structure that serves as evidence of an organisms evolutionary past?

vestigial structure


What is the term for a functionless anatomical structure that is evidence of an organisms' evolutionary past?

vestigial structure f study island/:


What physical structures were fully developed and functional in an earlier group of organisms but are reduced and unused in later species?

because they did


The earliest classification systems grouped organisms based on?

anatomical similarities


What do you know about organisms that share many anatomical similarities?

Anatomical similarity refers to members of the same class of animals tend to have similar structures and organs.Anatomical similarities between organisms are limited to physical similarities that serve similar functions.


How are anatomical structures useful in classification?

Anatomical structures are:Firstly, they are easy to observe in organisms and fossils.Secondly, fossils are the only evidence we are ever likely to have of extinct species


What is the basic structural and functional unit of organisims?

The basic structural and functional units of organisms are cells.


What is structural and functional units of life?

Cell of living organisms!


The smallest functional and structural unit of all living organisms?

It is a cell


What are building blocks of organisms?

cells is the structural and functional unit of any organism


What micro-organisms digest cellulose in this modified part of the stomach?

Functional caecum


What developed a naming system that grouped organisms on a basis of their observable features?

its not what developed but who developed. Carolus Linaeuss developed the naming system