Answer:
A crow does move its head with its eyes fixed.
Explanation:
Birds Eyes Are Fixed, So Their Neck Compensates To Hold Vision Steady. If a bird is moving and its wants to keep its eyes looking at something while it is moving then its body must compensate.
1. Algae blocks sunlight from other organisms
2. Kills those that are autotrophs
3. Bacteria in pond will continue to multiply and break down everything dead/deteriorating
4. Bacteria takes over all oxygen supply
5. No life
Answer:
A. If conditions change, you have a greater chance of someone having adaptations that allow them to survive and reproduce.
The answer is B. The planets were all formed from dust that was orbiting around the sun.