What is the term for an organism that makes its own source of chemical energy? protist
B chloroplast
decomposer
D producer

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

People with one sickle cell allele are not likely to get malaria. what is this an example of?