<span>A more efficient and widespread catabolic process, in which oxygen is consumed as a reactant to complete the breakdown of a variety of organic molecules. Similar in broad principle to the combustion of gasoline in an automobile engine after oxygen is mixed with hydrocarbon fuel. Food is the fuel for respiration. The exhaust is carbon dioxide and water. Includes both aerobic and anaerobic processes. However, it originated as a synonym for aerobic respiration because of the relationship of that process to organismal respiration, in which an animal breathes in oxygen.</span>
The correct answer to the question Which of the following was an early realization that gave rise to Darwin's theory of natural selection? is D The earth and its organisms have changed through time.
Answer:
The correct answer would be predation.
Predation is one of the types of ecological interactions which take place in an ecosystem.
In this interaction, one organism kills or hunts another organism to feed upon it.
The organism which kills or hunts is termed as predator, for example, Venus flytrap is a predator.
The organism which gets hunted or killed is termed as prey, for example, the insect is prey in this case.
D. Ecosystems are important in maintaining the good chain among all the organisms within it, which contributes to a high value of biodiversity
Crystals, good insulators, hard and brittle,conduct electricity, high melting and boiling points
