As a lake becomes more acidic, fish are harmed not only by the acidity but also by substances that leach out of the soil into the water. which of these toxic substances is leached when conditions are acidic? a copper b iron c calcium d aluminum

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.

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?