Can Different Species Have Very Few Visible Morphological Differences or None

question 53

Multiple Choice

Can different species have very few visible morphological differences or none at all?

• A) no, because different species must have distinct, visible morphological differences
• B) yes, if they are not under selection to evolve such differences (cryptic species)
• C) yes, if they are hybrids of other species
• D) yes, when their DNA is identical
• E) no, because their DNA is not identical, and phenotype must always reflect genotype

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Definitions:

Defective

Refers to something that is flawed or lacking in functionality.

Experience-Dependent

Describes neural growth that is stimulated by environmental experiences and may vary from one individual to another.

Synaptogenesis

The generation of synapses or connections between neurons, usually as a result of the growth of axons and dendrites.

Environmental Events

Occurrences in the natural or built environment that can influence the lives of individuals, communities, and ecosystems, such as natural disasters, pollution, and urban development.