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Because they're descended from a common ancestor and the classified group includes all animals. The other kinds, para- and polyphyletic groups, are classified groups that have multiple ancestors (poly) or are a single group but with parts excluded (para).
Carnivorous plants are polyphyletic, as they include many different genera, and reptiles are paraphyletic, because it excludes birds which are technically still reptiles.
What else can I help you with?
What are the different lifestyles of animals?
There are a variety of different lifestyle's of different animals like some animals are domestic or house animals and some animals are live stock animals some animals are wild as well.
What are invertrbrates animals?
Invertebrate animals are animals with out Backbones.
What are aborel animals?
Aborel animals are animals that lives in trees.
What are egg born animals called as?
Egg-born animals are called oviparous animals. Such animals include snakes, chickens, birds, crocodiles, fish, insects and animals from the monotremata order.
Where does animals organiate from?
animals.... :)
Why is the kingdom animalia polyphyletic and not monophyletic?
Its not polyphyletic, its monophyletic. There are no points where members stop being animals. Many mistake Porifera (sponges) as an exception, but they are animals too.
Are animals considered monophyletic or paraphyletic in the field of evolutionary biology?
In the field of evolutionary biology, animals are considered monophyletic, meaning they all share a common ancestor and form a single evolutionary group.
Are echinoderms monophyletic or polyphyletic?
monophyletic
Which kingdom is monophyletic?
The animal kingdom is considered monophyletic, meaning that all animals share a common ancestor and are descended from a single evolutionary lineage. This is supported by genetic and morphological evidence that shows the similarities in their characteristics and evolutionary history.
What is the difference between a clade and a monophyletic group in evolutionary biology?
In evolutionary biology, a clade is a group of organisms that includes an ancestor and all of its descendants. A monophyletic group is a type of clade that includes only the most recent common ancestor and all of its descendants. So, all monophyletic groups are clades, but not all clades are necessarily monophyletic groups.
What is origin of flying reptiles?
flying reptiles are in fact birds. as animals are now being classified into monophyletic groups, we must include birds as reptiles as well because they came from a common ancester
What is a group called that includes an ancestor plus all its descendants?
monophyletic
What term is most likely associated with clade?
monophyletic
Are prokaryotes monophyletic?
Yes, prokaryotes are monophyletic, meaning they share a common evolutionary ancestor. This group includes bacteria and archaea, both of which are characterized by lacking a true nucleus and other membrane-bound organelles.
What eukaryotic kingdoms is not monophyletic and may soon be split into several kingdoms?
Protista
What is synapomorphy?
It's a trait common in a single monophyletic group,but not generally found outside of that group.
Are fish monophyletic?
No, fish are not monophyletic. The term "fish" is a paraphyletic group because it includes some but not all descendants of a common ancestor. It does not include tetrapods (four-limbed vertebrates such as amphibians, reptiles, birds, and mammals) which share a more recent common ancestor with some fish species.
