C. Decrease in the available energy at higher trophic levels
14.
In pea, a pure tall plant (TT) is crossed with a short plant (tt). What will be the ratio of pure tall plants to short plants in the \( F_{2} \) generation?
B. All variations in a species have equal chances of survival.
16.
While studying vegetation of an area, terms like 'population' and 'community' are often used. Which one of the following statements best describes a population?
A.
A group of organisms of one species, living in the same area at the same time.
B.
A group of organisms of one species living in different areas during different seasons.
C.
A unit consisting of biotic and abiotic components.
D.
A group of organisms of more than one species, living in the same area at the same time.
