#Question id: 10673
#Section 1: Ecology
Which of following attributes of parasite agent acts as a biological control is not necessary?
#Question id: 11256
#Section 1: Ecology
Inferences built on the idea that evolutionarily older and younger characters should be found among close relatives if they are linked by evolution has been elaborated into a branch of evolutionary biology known as __________.
#Question id: 10636
#Section 2: Evolution
The demographic transition model depicts demographic changes from high- to low-level births and deaths in five stages
Stage 1 is characterized by total population numbers are low and the high birth rate is balanced by the high death rate.
B) Stage 2 is characterized by high population growth rate is results of high birth rate however, decline death rate
C) Stage 4 is characterized by decline in the proportion of the population in the reproductive age group and these changes stabilizes population size
D) Stage 3 is characterized by falling birth rates and death rates and population growth rate is zero due to the less numbers of people in the reproductive age group
#Question id: 10818
#Section 1: Ecology
Which of these relationships is generally not considered one that underlies community structure?
#Question id: 11173
#Section 1: Ecology
Chemical signals between individuals of the same species are called