Alaboratory investigation included examining prepared slides of pond water. single-celled organisms with a nucleus and either cilia or flagella were visible. these organisms probably belong to the kingdom a. animalia b. protista c. fungi d. plantae

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Several billion years ago which gas was the least prevailant in the atmosphere