Helpful variations accumulate in a species over time by selecting those traits that allow it to better live in the environment it is in.
Incomplete.
Variations are of following types:- 1.Somatic and Germinal Variations. 2.Continuous and Discontinuous Variations. 3.Determinate and Indeterminate Variations. 4.Meristic and Substantive Variations. 5.Other Variations.
mould is a helpful one and bacteria is a harmful one
" many bodies " traits. The three alleles for blood type is an example of this. Height/size is another example of this and many other variations in animal physiology are examples of this. Discrete traits, everybody has a heart, are in contrast to this, but even in discrete traits there are variations.
HeLpful
Helpful variations accumulate in a species over time by selecting those traits that allow it to better live in the environment it is in.
Adaptation
Adaptation
natural selection
Adaptation
They don't die as often (or as fast) as the "non-helpful" variants.
natural selection
Seeing an example sentence was helpful. I found it helpful to review example sentences.
variations means different versions of saying example : cat, feline
Helpful variations accumulate in a species over time by selecting those traits that allow it to better live in the environment it is in.
Yes. One notable example is Aaron Copland's "Variations on a Shaker Melody."