James is a farmer who covers about 70% of his soil surface with crop residue to reduce erosion. which type of soil preparation is he implementing? 1points a conservation tillage b crop rotation c fertilization d irrigation

Q: a pair of homologous chromosomesa) always has the same genes and the same allows b)always has the same genes c)always has the same alleles d)never has the same genes

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems