Answer:
A double diet is where an organism gets nutrition from plants/meat and the sunlight. An advantage is that they can stay energised for a long time without having to eat by just staying in direct sunlight.
Explanation:
Well humans and monkeys are known to have fingers
The rate of evolution is the means of
Darwinism
The left ventricle must contract with more force in order to send blood to the body's extremities
I hope this helps! I'm happy to answer any other questions you might have :)
C. <span>Scientific ideas change over time as new information is discovered.</span>