Answer:
The finch population decreased.
Explanation:
When finches eat seeds, some pieces fall onto the ground which grow up to have more seeds. The seeds that survived were too big for a finches tiny beak. Without this cycle in place, seeds had no way to reproduce.
Answer:
There is a precise compatibility between the active site and the lactose molecule.
Explanation:
An enzyme's active site has a specific shape, where only the substrate it is designed for can fit. It's much like a puzzle, where you must have the right pieces join together or else you wont get a coherent picture.
Answer:
Negative feedback
Explanation:
Negative feedback loops are the most common feedback loops in biological systems. The system acts to reverse the direction of change. Since this tends to keep things constant, it allows the maintenance of homeostatic balance.
