The ozone layer hole is an area of depleted ozone in earth's atmosphere. which of the following human activities contributed to the development of the ozone layer? a.)the use of solar panels b.)the use of eletric power lines c.)the use of fluorescent lights in buildings d.)the use of chlorofluorocarbons in refrigeration

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

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.

Which feature would you expect to find in a population in which sexual selection depends on male competition?