B) Cattle have protozoa living in their gut that digest cellulose. The cows are able to feed on grass, while the protozoa are sheltered inside the cow.
C) Oxpeckers remove parasitic fly larvae from the skin of buffalo. In exchange, they are protected from predatory cats, who will not challenge a buffalo.
D) Ants 'farm' aphid insects like cattle. Aphids suck the sap out of trees, which ants also feed on. In turn, the ants sting predators that attack the aphids.
the answer is A hope it helped.
B. Photograph the impression, Frame the impression, pour the cast, remove the cast.
C. Frame the impression, Pour the cast, remove the cast, photograph the impression.
D. Pour the cast, remove the cast, clean the cast, Photograph the cast.
The correct order when casting a soil impression is: frame the impression, photograph the impression, pour the cast, remove the cast, clean the cast.
The correct order of steps to be taken when casting a soil impression is as follows:
This ensures that the soil impression is properly preserved and documented for analysis in forensic investigations.
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2)DNA synthesis involves conserving only part of each of the original strands in a DNA molecule.
3)The original DNA molecule is stored in the cell nucleus and serves as a template for creating copies containing two new strands.
4)DNA synthesis involves conserving one strand of a double helix of DNA and discarding the other.
The water should actually have turned blue, because Biuret solution is blue.
Someone may have mislabeled the test tube with water
The water may have been contaminated with a protein.