saltatory evolution
The theory that evolution of a new species from an older one may occur as a large jump, such as a major repatterning of chromosomes, rather than by gradual accumulation of small steps or mutations.
Compare: emergent evolution.
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..
This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..