Which of the following statements is true the matter in an ecosystem must be continuously replenished the total amount of energy and ecosystem remains the same the only way to return matter to the soil decomposition or the total amount of water in an ecosystem is always decreasing

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic