Abehavioral psychologist tries to train a bird to climb a tree to get a reward of a piece of fruit. at first, the bird learns how to climb the tree with its legs and beak. after a while, it starts flapping its wings and hopping around before it starts to climb. eventually, the bird flies up to the piece of fruit, even though the use of its wings prevents it from being reinforced with the fruit. according to the brelands' analysis of biological constraints, the bird is demonstrating

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is