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monophyletic
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Identify and describe the unique system an echinoderm has what is it used for?
The name echinoderm means "spiny skin." Echinoderms have spines of various lengths that cover the outside of their bodies. Most echinoderms are supported and protected by an internal skeleton made up of bonelike plates. Echinoderms have a simple nervous system but don't have heads or brains.
How are Echinodermata helpful?
There are many ways in which the echinoderms are helpful to the environment. They help to clean up the waste of other marine organisms and they help to maintain the biodiversity within their ecosystem.
What are the 6 kingdoms of classification?
FungiProtistaAnimilaPlantaeBacteriaArcheabacteria6 kindoms:plantsanimalsfungiprotistsarchaeeubacteria
Do protists have cell walls?
There is no longer a Kingdom of Protists. They are not a monophyletic group (clade). So, the answer is some do some don't. Algae (a type of photosynthetic protist) tend to have a cell wall. Protozoa (the animal like protists) do not. Most single cell protozoa have a pellicle to protect the cell.
What are some examples of a bottom dweller?
Some examples of bottom dwellers are polychaete worms, bivalves, echinoderms, sea anemones, corals, sponges, sea squirts, turbellarians and larger crustaceans such as crabs, lobsters and cumaceans. The live in the Benthic zone.
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.
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
Which of the following are problematic when the goal is to construct phylogenies that accurately reflect evolutionary history A monophyletic taxa B polyphyletic taxa C paraphyletic taxa?
Polyphyletic and paraphyletic taxa are problematic when the goal is to construct phylogenies that accurately reflect evolutionary history. These taxa do not accurately represent the evolutionary relationships between species and can lead to incorrect interpretations. Monophyletic taxa, on the other hand, are ideal for constructing phylogenies as they include all descendants of a common ancestor.
Are snakes and lizards polyphyletic?
yes they r polyphyletic
Why are animals monophyletic?
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.
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.
Are prokaryotes monophyletic?
No
Why protoctista is consider as polyphyletic group?
Because they Have many Characters of their ancestors and the word polyphyletic means those organisms which have many ancestors and because is protoctists have characters of Animals, plants and Fungi so that why they are considered as polyphyletic group.
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.
How do you identify clades?
Monophyletic groups in the tree of life. Must be an ancestor and all of its descendants (monophyletic).
What does monophyletic group consist of?
A group of species that consists of a common ancestor and all of its descendants (also referred to as a clade).
Each of the current five supergroups is considered to be?
polyphyletic Edoptions (:
