Answer:
Explanation:
1. The fur in both parents is Black, they both have dominant traits
2. Phenotype in box 3 would be Black.
3. Genotype ratio is 1:3
The pericardial cavity separates the parietal and visceral pericardium
Mutation causes change in an organisms DNA, resulting in a change in all aspects of the organisms life. It affects how the organism looks, and how it behaves. If there was no mutation, an organism could not change, therefore there wouldn't be evolution at all.
Answer:
Explanation
Water in a lake freezes from the bottom up, killing most aquatic organisms. When water in a lake freezes, it floats, providing insulation for organisms below. ... If water were most dense as a solid, lakes would freeze from the bottom up, eventually freezing solid.