Bird, bat, and butterfly wings are examples of convergent evolution. <span>This means that all of these wings share the same function and are similar in structure, but each evolved independently. Bird, bat and butterfly wings are analogous, which means that they have separate evolutionary origins, but are similar because of the natural selection that shaped them to play a key role in flight.</span>
Answer:
My guess would be answer D
Explanation:
Due to the fact that q has more protons then r and they have the same amount of rings
Fraction-1/4
Percentage-25%
Because In a punnet square there are 4 squares and in a 3:1 ratio it would mean one of the squares is affected by the genetic trait so it would be 1/4. And 1/4 is 25%.
Inactivates certain harmful byproducts of digestion and respiration and then sends them to the plasma membrane to be ejectdd
The cavity that the heart sits in is called the pericardial cavity