In the food chain below, which is the producer?
flower - mouse - snake- hawk

This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.

In "the pig," what is the main effect that the piglet initially has on kibuka?

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.