Question

how does biodiversity relate to habitat preservation? *
directly correlates with ecosystem complexity
is unaffected by environmental changes
has no significant relationship
only matters in tropical regions

what role does migration play in population dynamics? *
completely static population movement
redistributes population across geographical regions
only occurs in developing countries
has no economic impact

how do population pyramids help understand demographic trends? *
they determine immigration policies
they measure agricultural productivity
they predict future economic performance
they illustrate age and gender distribution

Explanation:

• Biodiversity directly correlates with ecosystem complexity as more diverse habitats support a greater variety of species.
• Migration redistributes population across geographical regions, affecting population density and composition in different areas.
• Population pyramids illustrate age - and gender - distribution, which helps in understanding demographic trends like birth rates, death rates, and population growth or decline.

Answer:

• First question: Directly correlates with ecosystem complexity
• Second question: Redistributes population across geographical regions
• Third question: They illustrate age and gender distribution