Demography and population growth

Two-way movement in response to an evolutionary or environmental adaptation or pressure. This is the definition of.......

• Migration

• Dispersal

Number of deaths during a given time divided by the average population during that time. This is the definition of ..................................

• Natality

• Mortality

..............................an action or process of distributing plants, animals or people over a wide area

Migration involves ...............................

.............................consists of the proportion of individuals of different ages within a population.

Which survival pattern that born during the same period / same year?

• Age distribution

• Cohort

• Static

Organisms with constant mortality rate. This statement refers to which survivorship curve?

• Type 1

• Type 2

• Type 3

Mortality and reproduction can vary from year to year. This statement refers to which survival pattern?

• Age distribution

• Static

• Cohort

Organisms with extremely high mortality rate in early life. This statement refers to which survivorship curve?

• Type 2

• Type 1

• Type 3

Type ............. survivorship curve exhibiting high survival throughout life and heavy mortality in old age.