Answer:
Our Biological clocks drive our circadian rhythms. The internal clocks are groupings of interacting molecules in cells throughout the body. A "master clock" in the brain coordinates all the body clocks so that hey are in synch.
Explanation:
<span>A watershed is a region of land that drains into a river, a river system, or another body of water. So in this case, tributaries is the answer.</span>
Answer:
primary is Rabbit while secondary is hawk
Explanation:
These organisms are called the producers, and they get their energy directly from sunlight and inorganic nutrients. The organisms that eat the producers are the primary consumers. ... The organisms that eat the primary consumers are meat eaters (carnivores) and are called the secondary consumers
I think A and B. And maybe C?