The answer is D. Instinct
Eagles evolved better over the years to hunt their targets easier, which explains why they have sharp talons, they instinctively use them to hunt their prey.
The answer is 4. Mitochondria
Hydrogen bonds connecting base pairs must be broken.
Answer:
When you heat proteins in water that is 100°C they denatures and the enzymes change shape.
Explanation:
I went to a school that asked these types of questions once and made me memorize the answers (:
