Answer:
They all include an exchange of gases with the atmosphere.
The carbon, oxygen, and nitrogen cycles are biogeochemical cycles meaning the chemicals spend a portion during the cycle in living things ( bio) and a portion in the nonliving environment
This is true because other organisms are lower in the food chain
Answer:
Gravity?
Explanation:
These are the things needed for life: water, air, food, light, shelter, and space. It doesn't include gravity.
The major function of RNA is B) To transport genetic information.
Answer:
False
Explanation:
The most specific feature of cardiac muscles is the presence of intercalated discs. Intercalated disc connects the ends of cardiac muscle fibers to one another. The discs have desmosomes and gap junctions. The function of desmosomes is to hold the cardiac fibers together. The gap junctions of cardiac fibers allow muscle action potentials to spread from one cardiac muscle fiber to another. These gap junctions have tubular connexons that form channels and connect the cytosol of adjacent cardiocytes to allow the flow of ions and spread of action potential from one cell to another.
