At age 85, lyle's immune system does not respond to vaccines as well as it did when he was younger. the atrophy of which endocrine gland is likely responsible for this

How can you tell the difference between rough er from smooth er?

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.

_is a product of the first stage of photosynthesis. atpglucosecarbon dioxidewater