Explanation:
Survival of the fittest is a phrase that originated from Darwinian evolutionary theory as a way of describing the mechanism of natural selection.In On the Origin of Species, he introduced the phrase in the fifth edition published in 1869, intending it to mean "better designed for an immediate, local environment".
You know this! Let me walk you through! First, define a trophic level.
The answer is B. molecules move slow or fast depending on the temperature
