What are 3 relative order of rock layers

What molecule contains an organisms genetic material, passed down from parents to their offspring

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f