Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Explanation:

Plants are the organisms which has the ability to make their own food in the process of photosynthesis. The food which is produced by plants is also used by primary consumer and omnivores like humans. It also provide oxygen to all living organisms. When compressed in the soil at high temperature and pressure for centuries, these plants are converted into fossil fuels such as coal. Its wood is also used in furniture and building materials.

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

carbon atoms, hydrogen, oxygen, and nitrogen.