1
Q
what is a polyphyletic group?
A
Species that do not share an immediate common ancestor are lumped together , excluding other members that would link them
2
Q
what is paraphyletic grouping?
A
one in which all species share a common ancestor
, not all species derived from that common ancestor are included
3
Q
what is a clade ?
A
a monophyletic grouping on a phylogenetic tree ; a monophyletic subset of a phylogenetic tree
4
Q
what are the hypothetical group ?
A
the lizmans , lizards and mammals
5
Q
what is a sister group ?
A
the species or clade most closely related to a given species , also called sisters
6
Q
A
Biology
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