An outbreak of a disease occurs, and a scientist at the Centers for Disease Control (CDC) is in charge of determining the cause.
She is studying the microorganism that is thought to be responsible for the disease. Which of the following would be the most
helpful to the scientist?
Pasteur's germ theory of disease
Koch's postulates
Redi's experiment
John Snow's map

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red. b) the pollen grains will be pure blue. c) the pollen grains will have red interiors and blue exteriors. d) the pollen grains will have blue interiors and red exteriors.

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

Which force diagram accurately represents a satellite in orbit around earth? image for option 1 image for option 2 image for option 3 image for option 4