Answer:
A chromosome is tightly compacted DNA, and a gene is a section of DNA that is used to code for certain characteristics.
Answer:
Biosphere is the one of the sphere of geological sphere of the earth such as geosphere, hydrosphere and atmosphere. It is deal with the interaction and existence of the living organisms.
In this model it can be seen that there are human, fishes, and vegetation of plants are living organisms so living organisms in the hydrosphere (fishes), geosphere (plants) and anthrosphere (human) should be label as biosphere instead of atmosphere or with atmosphere.
All of these are body regions.
Antecubital, brachial, crural, and femoral regions are ventral/anterior appendicular body regions.
Axillary region is ventral/anterior axial body region.
Popliteal and sural body regions are dorsal/posterior appendicular body regions.
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ExA physical change is a change from one state of matter to another; a chemical change results in a new substance formed. A chemical change does not result in a new substance being formed, whereas a physical change does.planation: