Just as the organs in an organ system work together to accomplish their task, so the different organ systems also cooperate to keep the body running. For example, the respiratory system and the circulatory system work closely together to deliver oxygen to cells and to get rid of the carbon dioxide the cells produce.
Commensalism is a type of symbiotic relationship between two organisms in which one benefits without affecting the other one is any way.
Examples of Commensalism for a Better Understanding of the Concept:
Cattle Egrets and Livestock.
Orchids Growing on Branches of Trees.
Remora Fish and Sharks.
Pseudoscorpions and Beetles.
Monarch Butterfly and Milkweed.
Birds Following Army Ants.
Burdock Seeds on the Fur of Passing Animals.
Barnacles and Whales.
There are four nitrogenous bases involved.
A, T, C and G.
A:T and C:G
Answer:
nucleus
Explanation:
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