4. In a given park area, there are two tertiary consumers whose combined mass is 500 kg. a) What would be the approximate mass of secondary consumers needed to support
these tertiary consumers?
b) What would be the approximate mass of the primary consumers in this food chain?
c) What would be the approximate mass of plant material needed to support the food
chain?

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.

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material

What gases are carried by the blood