what is it said to be if many subgroups are missing?
polyparaphyletic
what group cannot be a clade?
A paraphyletic group
what is monophyletic?
a clade
what are groups that include all descendants of a common ancestor?
"monophyletic".
is a paraphyletic group monophyletic?
yes
what are dinosaurs?
For example, dinosaurs are paraphyletic with respect to birds because birds possess many features that dinosaurs lack and occupy a distinctive niche.
what was the term coined to apply to?
well-known taxa
like?
reptiles
what contains the last common ancestor of reptiles?
Reptilia
does it also include all it's descendants?
yes
are mammals and birds included?
no
are there other commonly recognized groups?
yes
how many?
Three
please name one
fish
and what else?
monkeys
what would the last be?
lizards
shat is a subfield of biology mentioned in the article?
phylogenetics
and what term is used in phylogenetics?
paraphyly.
what is that?
The arrangement of the members of a paraphyletic group
who argues that paraphyletic taxa are the result of anagenesis?
Ereshefsky