In photosynthesis, carbon dioxide and water in the presence of sunlight yields
1.proteins and oxygen.
2.chlorophyll and oxygen.
3.carbon and oxygen.
4.glucose and oxygen.
Question 2The trophic pyramid, from base to top, is _____. The amount of energy that is transferred from one level to the next is _____.
1.primary producers, primary consumers, consumers, top consumers; 10
2.primary producers, primary consumers, consumers, top consumers; 50
3.top consumers, consumers, primary consumers; primary producers; 10
4.top consumers, consumers, primary consumers; primary producers; 50