Which of the following is true about oxygen in plants? a oxygen is produced only for photosynthesis and is not used for any other purpose b plants both produce and use oxygen for photosynthesis and cellular respiration respectively c oxygen is stored in the plant for animals to consume and use for cellular respiration d plants need to take in both carbon dioxide and oxygen for the process of photosynthesis

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.

Color blindness is a recessive trait. the gene for color blindness is on the x-chromosome. the family tree below shows the trait of color blindness. theonly unknown is the father in the first generation.