Describe two ways that humans influence the cycling of matter in ecosystems.

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

Which kind of electrical charge is found on a hydrogen atom of a polar water molecule

You need to determine if a pure culture of bacteria is gram-positive or gram-negative, but you've just spilled your only solution of crystal violet so you can't do a gram stain. you decide to try a lysozyme treatment on a sample of each culture and then examine the samples under the microscope. the expected result is