mack303
mack303 mack303
  • 22-01-2019
  • Biology
contestada

can natural selection cause new variation?

Respuesta :

bawi86 bawi86
  • 22-01-2019
Genetic variation is essential for natural selection because natural selection can only increase or decrease frequency of alleles that already exist in the population. Genetic variation is caused by: mutation. random mating between organisms.
Answer Link

Otras preguntas

The original cost of an item is $64, but you have to pay $78.08. What is the markup of the item ( and a percent)?
demography is the study of
need help with this particular math question
List all orbitals from 1s through 5s according to increasing energy for multielectron atoms. rank orbitals from smallest to largest energy. helpreset 3p2p
what is 3√3 / 3√2x in simplest form? options: A. 3√12x^2 /2x B. 3√6x/2x C. 3√3/2x
Please help I don’t understand this and I can’t figure it out.
Classify the triangle. ScaleneEquilateralIsosceles
Using table 9.4, calculate an approximate enthalpy (in kj) for the reaction of 1.02 g gaseous methanol (ch3oh) in excess molecular oxygen to form gaseous carbon
For which of the processes below will δs be a positive number? 1) ch4(g) → ch4(l) 2) n2h4(g) → n2(g) + 2h2(g) 3) h2o(s) → h2o(g)
1. Renaissance music is known for its (1 point) dissonant harmonies. a) quiet dynamics b) complex c) polyphonic d) textures. accents 2. Music from the Baroqu