In a pond ecosystem, what generally happen over a long period of time?
A) The pond will fill in, grasses and trees will grow there
B) It will become deeper than a lake.
C)The water will become stagnant and everything in the pond will die.
B)The pond will become filled with fish.

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

What tool do geneticists use to predict the outcome of genetic crosses? a.karyotype b.punnett square c.centrifuge