Why a female lays a vast number of eggs in water and male animal release some millions of sperms in external fertilisation???
Please help me

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.

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

To be or not to be that is da question