AP BIOLOGY

EVOLUTION

PATTERNS OF EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Similar in function or appearance, but not in origin or development.
A
Homoplasty
B
Homologous
C
Analogous
D
Vestigial
Explanation: 

Detailed explanation-1: -In evolutionary biology, analogous structures are defined as biological structures having similar or corresponding functions but not from the same evolutionary origin. In other words, species use these biological structures for the same purpose and yet these species are from unrelated evolutionary lines.

Detailed explanation-2: -The term homoplasy was first used by Ray Lankester in 1870. The corresponding adjective is either homoplasic or homoplastic. It is derived from the two Ancient Greek words (homós), meaning “similar, alike, the same", and (plássō), meaning “to shape, to mold".

Detailed explanation-3: -Homologous structures are similar physical features in organisms that share a common ancestor, but the features serve completely different functions. An example of homologous structures are the limbs of humans, cats, whales, and bats.

Detailed explanation-4: -Homologous organs are organs which have similar functions but different origins. The vestigial organs no longer have a purpose in the current form of an organism of the given species.

There is 1 question to complete.