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A group of species that consists of a common ancestor and some but not all of its descendants.

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Are protists monophyletic polyphyletic or paraphyletic?

Protists are a paraphyletic group because animals, fungi, and plants are the crown groups evolved from different lineages of the protists. They aren't included in the same group as protists taxonomically. This explains why the cladists consider the protist a paraphyletic group.


What groups is NOT a clade?

A group that is not a clade is known as a paraphyletic group. This type of group includes an ancestor and some, but not all, of its descendants, failing to encompass the entire lineage. An example of a paraphyletic group is "reptiles," which excludes birds, despite birds being descendants of certain reptilian ancestors. Thus, paraphyletic groups do not accurately reflect the evolutionary relationships among organisms.


What does Lacertilia mean?

Lacertilia is a paraphyletic grouping of squamates commonly referred to as "lizards". The group is paraphyletic because it comprises all members of the clades Iguania and Scleroglossa, but excludes Serpentes.


What is a stem group?

all extinct organisms more closely related to the crown group than to any other living group. = Paraphyletic group.


What is a creature that does not has a skeleton?

Invertebrates do not have backbones.Examples of invertebrates are earthworms,insects,squids etc... Invertebrates are paraphyletic group.


Is green algae paraphyletic?

Yes, green algae is considered paraphyletic because it does not include all descendants of their most recent common ancestor. Green algae are a diverse group of photosynthetic organisms that include both unicellular and multicellular forms, but some descendants have evolved independently and are not included in the group.


Why are prokaryotes not monophyletic?

Prokaryotes are not monophyletic because they include both bacteria and archaea, which are two distinct groups with different evolutionary histories. These two groups do not share a common recent ancestor, making prokaryotes a paraphyletic group.


A taxon such as the class reptilia which does not include its relatives the birds is... a. really an order b. a clade c. monophyletic d. polyphyletic e. paraphyletic?

e. paraphyletic


Are reptiles considered paraphyletic in the classification of vertebrates?

Yes, reptiles are considered paraphyletic in the classification of vertebrates because they do not include all descendants of their common ancestor.


Which of the following statements is consistent with the assertion that protists are paraphyletic?

The statement "Protists are a diverse group of eukaryotic organisms that do not fit neatly into the plant, animal, or fungi kingdoms" is consistent with the idea that protists are paraphyletic. This is because protists traditionally grouped together organisms that are not closely related in terms of evolutionary history.


Which animal is imbless ectothermic vertebrate paraphyletic and oviparous?

fish


A taxon such as the class reptilia which does not include its relatives the birds is?

Paraphyletic