The answer i believe would be C
Muscles and organs derive the most benefit from the blood that flows in the arteries and capillaries because they obtain food substances and oxygen while releasing wastes.
The basic reason why unripe fruits have defensive chemicals is that they need to protect the seeds that are not ready to germinate. On the other hand, the seeds of the ripe fruits are ready to germinate and so they need to get spread with the help of animals and birds and so there are no defensive chemicals. These seeds spread to different places and the soils help them to germinate under suitable conditions.
Answer:
false
Explanation:
The evolution of the species trough thousands of years we can just observe or compare them by fossils. Observation of a specie through 20 or 30 years, will just give us a general idea of their behavior in an ecosystem and some adaptations to its surroundings.