Suppose that heterotrophs ingested 1,560 kilograms of plant biomass over a month’s period. respiration of these heterotrophs was the equivalent of 900 kilograms, and they egested 420 kilograms. what is the net secondary production?

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 these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement