Cell definition: the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed.
Cytology definition: the study of cells as fundamental units of living things.
Answer:
Global warming may cause more icebergs to melt than are created. This would lead to higher sea levels. Sea levels may rise above land masses located at low elevations. As a result, the animals who lived in these areas may find their habitats shrinking and resources depleting, causing their population size to decrease. If there are particular species that were only able to survive in the areas now covered by water, they may very well become extinct.
Organisms that use the same resources because there may not be enough for all, so it then becomes a competition of who gets it and who doesn't.
Answer: no friction, metal
Explanation: yes
The two reactants are carbon dioxide and water.
The two products are oxygen and glucose.
Hope this helps!