Test is
select the answer that completes the following sentence.

to demonstrate vacuoles and lysosomes in class, a video of was shown.
question 3 options:

white blood cells engulfing bacteria

fixed animal cells under 1000x magnification

fixed plant cells under 1000x magnification

an amoeba eating two paramecium

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.