<span>The circulatory system is the combination of the lymphatic system and the cardiovascular system. It comprises of the heart, blood vessels and blood as well as lymph, lymph nodes, and lymphatic vessels. It controls the whole transportation activity in the body.</span>
Answer:
The answer is the sun.
Explanation:
Level a represents the producers which you can tell, by their name, that they make their food. Producers are mainly comprised of the plants of our world. They get their energy from the sun and through photosynthesis, they turn it into energy.
By the way, B would be primary consumers which are the herbivores, C are the secondary consumers which include us people, and D are the decomposers, which include worms.
First one is C, second one is B, third one is C
All modern primates, including humans, are descendants of the earliest primates.
Answer:
Decrease a person ability to hear because pinnae funnel sound into the ear canal and if its enlarge example swollen, the tunnel will be more narrower for sound to pass