A group of organisms with a shared ancestor
Bacteria is a clade if you (or anyone else) say it is. However, neither biodiversity nor anything else can be non-contradictory partitioned into clades, so the question does not have any non-contradictory (unambiguous, or objective) answer. Clades are and will always be purely subjective.
Phylogenetic classification groups animals based on their evolutionary relationships and shared ancestry. It organizes species into groups called clades, which include an ancestor and all its descendants. This form of classification aims to reflect the evolutionary history of organisms.
Plant biologists have proposed the clade Viridiplantae as the group that defines the plant kingdom. Viridiplantae includes all land plants as well as green algae. It is characterized by the presence of chlorophylls a and b and cellulose cell walls.
In cladistic analysis, a characteristic that arises as a lineage of organisms evolves over time is called a derived trait or synapomorphy. These traits help define clades within a phylogenetic tree by marking unique evolutionary advancements shared by a common ancestor and its descendants.
Variation within a clade increases the likelihood that at least some individuals will have traits that are advantageous in the face of environmental change. This genetic diversity allows for some members of the clade to survive and reproduce, passing on their beneficial traits. As a result, clades with greater variation are more likely to adapt and survive in changing environments.
Clades Lolliana happened in -16.
Urio Clades has written: 'Roccatagliata Ceccardi'
there are 8 more of taxa true clades here are some Pises, Amphibia, Mammalia and Tetudines
You have to stick your finger in your anus
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Different diversification rates for two clades of animals.
Different diversification rates for two clades of animals
Different diversification rates for two clades of animals.
are used to name and define clades phylogenetically.
Different rates of phylogenetic change for three clades of Darwin's finches.
Clades are identified based on shared derived characteristics, also known as synapomorphies, that are unique to a group of organisms and their common ancestor. These characteristics are used to group organisms into phylogenetic trees that show evolutionary relationships. Using molecular data such as DNA sequences, researchers can analyze these shared characteristics to determine clades.
Approx. 7, 000 species that fall into five clades(sub-groups)