The wings of birds and butterflies are examples of structures that resemble each other and have similar function,but are the result of parallel evolution in separate lineages.These structures are called
A)analogous structures.
B)homologous structures.
C)vestigial structures.
D)embryonic structures.
E)homozygous structures.

Question

Quizplus · Accepted Answer

Analogous structures are structures that have similar functions but do not have a common evolutionary origin. The wings of birds and butterflies are not homologous because they evolved independently in separate lineages, but they are analogous because they have similar functions (i.e. flying). Homologous structures, on the other hand, are structures that have a common evolutionary origin, such as the wings of birds and bats. Vestigial structures are structures that have lost their original function over time, such as the human appendix. Embryonic structures are structures that are present in embryos but may not be present in adult organisms, such as gill slits in fish embryos. Homozygous structures is not a scientific term.

The Wings of Birds and Butterflies Are Examples of Structures