If it killed the top level of an ecosystem it would damage the whole ecosystem because it's connected. An organism depends on that top organism which would mean that is that organism dies it would affect the organism that depends on it.
The “bases” of RNA differ from those of DNA in that thymine (T) is replaced by uracil (U) in RNA. ... In DNA/RNA base pairing, adenine (A) pairs with uracil (U), and cytosine (C) pairs with guanine (G).
the technique of calorymetry is used to determine the energy content of food items.
Photosynthesis, because the equation is using light energy and producing oxygen, like a plant, which use photosynthesis to make food.
Grass I think Bc it’s not a living thing