According to the concept of punctuated equilibrium,
A) natural selection is unimportant as a mechanism of evolution.
B) given enough time, most existing species will branch gradually into new species.
C) a new species accumulates most of its unique features as it comes into existence.
D) evolution of new species features long periods during which changes are occurring, interspersed with short periods of equilibrium, or stasis.
E) transitional fossils, intermediate between newer species and their parent species, should be abundant.
Disruptive selection.
Some red squirrels adopt the offspring of related individuals, a likely example of kin selection pro
Alexander Fleming photographed in his lab where he observed the natural competition between a fungus
Concept map
The impact of climate change on natural ecosystems
Directional Selection in Rock-Pocket Mice