Most farms were once tilled by animals pulling plows. today, mechanized plows can quickly till large areas of land. how have mechanized plows most likely affected modern agriculture? a. mechanized plows allow a wider variety of crops to be planted on a farm. b. mechanized plows decrease erosion. c. mechanized plows improve a farm's soil quality. d. mechanized plows allow larger areas to be farmed by a single farmer.

Coat color in cats is determined by genes at several different loci. at one locus on the x chromosome, one allele (x ) encodes black fur and another allele (xo) encodes orange fur. females can be black (x x ), orange (xoxo), or a mixture of orange and black called tortoiseshell (x xo). males are either black (x y) or orange (xoy). bill has a female tortoiseshell cat named patches. one night, patches escapes from bill\'s house, spends the night out, and mates with a stray male. patches later gives birth to the following kittens: one orange male, one black male, two tortoiseshell females, and one orange female. what are the genotypes of patches, the stray male, and the kittens?

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

What is a group of organisms called