I don't really see a question . comment your question in the comments
Yes because the key may not be specific enough or when describing a part of it it may be slightly this color but also this color. understand? i can explain more if needed
C Because the fact That best adapted animals in a population survive is part of natural selection
It can increase the incidence of disease transmission and
food scarcity. Population density is
the number of individuals in a population per unit area. Density-dependent
factors have a greater impact at higher population densities. Birth rate and
death rate are the major factors that determine a population's growth rate.