In the Deep Layer of the Palm the Dorsal Interosseous

question 14

Multiple Choice

In the deep layer of the palm the dorsal interosseous muscles insert into:

• A) the medial side of the base of the proximal phalanx of the thumb
• B) flexor tendon mechanisms of digits 2, 3, 4, and 5
• C) extensor expansions of digits 2, 3, and 4
• D) bases of proximal phalanges 2, 4, and 5
• E) bases of middle phalanges 2, 3, 4, and 5

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Definitions:

Reproductive Isolation

Reproductive isolation occurs when reproductive barriers prevent or strongly limit reproduction between populations. The result is that few or no genes are exchanged between the populations.

Metapopulations

A group of spatially separated populations of the same species which interact at some level.

Evolutionary History

The chronological sequence of biological changes in populations or organisms over time, leading to the diversity of species seen today.

Phylogenetic Species Concept

Defines a species as the smallest group of individuals that share a common ancestor and can be distinguished by unique, inheritable traits.