Which of the Following Statements Is TRUE Regarding a Phylogenetic

question 100

Multiple Choice

Which of the following statements is TRUE regarding a phylogenetic tree?

• A)Phylogenetic trees could be considered physical representations of hypotheses  those that seek to establish the evolutionary relationships between different organisms.
• B)Given the sheer number of prokaryotic and eukaryotic species on Earth, it is impossible to create a phylogenetic tree encompassing all of these organisms.
• C)Phylogenetic trees are constructed based solely on the morphological characteristics of species; sequence similarities among different organisms are only evaluated by taxonomists.
• D)Within a phylogenetic tree, the order of groups located at the tree tips  not the nodes within a tree  determines sister group relationships.
• E)Phylogenetic trees only depict the evolutionary relationships between different classes; relationships among different species within the same genus are not illustrated in such trees.

Understand the structure and function of axons and dendrites.

Recognize myelin's role in the nervous system.

Comprehend the principles of action potentials and their transmission in neurons.

Grasp the concept of the all-or-none law in the context of action potential.

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