Efficiency is
a.
the percentage of energy lost to the surroundings as heat.
b.
the percentage of energy that is actually used to perform work.
c.
the entire amount of energy.
d.
the time it takes for half of the energy to be used.

Monitor and apply fix up stratorgies

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?

What organs comprise the respiratory system of a bird