The significance of the study of population is to understand:

Death is important because it ......

Match the column-$I$ with column-$II$ and select the correct option given:-

Column-$I$	Column-$II$
$A$. $J$-shape curve	$(i)$ Sigmoid curve
$B$. Verhulst-Pearl logistic growth	$(ii)$ Breed only once in their lifetime
$C$. Extinction of Abingdon tortoise	$(iii)$ Competition for same resources
$D$. Pacific salmon fish and Bamboo	$(iv)$ Resources unlimited

Match Column-$I$ with Column-$II$ and select the correct option.

Column-$I$	Column-$II$
$(a)$ Mutualism	$(i)$ Potent force of organic evolution
$(b)$ Orchid	$(ii)$ Negative interaction
$(c)$ Parasitism	$(iii)$ Beneficial interaction
$(d)$ Competition	$(iv)$ No harm to the host

Consider the following statements $(A-D)$ each with one or two blanks.
$(A)$ Bears go into $ . . . . . . (1) . . . . . . $ during winter to $ . . . . . . (2) . . . . . . $ cold weather.
$(B)$ $A$ conical age pyramid with a broad base represents $ . . . . . . (3) . . . . . . $ human population.
$(C)$ $A$ wasp pollinating a fig flower is an example of $ . . . . . . (4) . . . . . . $.
$(D)$ An area with high levels of species richness is known as $ . . . . . . (5) . . . . . . $.
Which one of the following options gives the correct fill-ups for the respective blank numbers from $(1)$ to $(5)$ in the statements?

Read the given statements and identify the correct and incorrect ones.
$(1)$ The exponential growth curve can be calculated using the formula $N_t = N_0 e^{rt}$.
$(2)$ Bamboo and salmon fish show the production of offspring only once during their entire lifespan.
$(3)$ In the amensalism type of interaction,one species is harmed and the other species receives no benefit or harm.
$(4)$ $A$ competitively superior species eliminates the inferior species in a habitat.