AEP AEP Ecological Systems & Biodiversity 2

Question 1

What does 'biological magnification' (also called biomagnification) describe in environmental science?

Accepted Answer

The increasing concentration of persistent pollutants at higher trophic levels in a food chain

Answer

Biomagnification is the process by which persistent pollutants such as PCBs, DDT, and methylmercury become increasingly concentrated in organisms at higher trophic levels of the food web.

Question 2

Under NEPA, which document is required for federal actions that significantly affect the quality of the human environment?

Accepted Answer

Environmental Impact Statement

Answer

An Environmental Impact Statement (EIS) is required under NEPA for major federal actions significantly affecting the quality of the human environment, providing a comprehensive analysis of environmental impacts.

Question 3

What is the primary goal of a 'habitat conservation plan' (HCP) under ESA Section 10?

Accepted Answer

Allow non-federal applicants to obtain incidental take permits while minimizing harm to listed species

Answer

A Habitat Conservation Plan (HCP) is developed by non-federal entities seeking an incidental take permit under ESA Section 10, describing measures to minimize and mitigate impacts on listed species.

Question 4

Which term describes the number and variety of species within a defined area, often used as a measure of ecosystem health?

Accepted Answer

Species richness

Answer

Species richness is the count of distinct species present in a defined area, and it is one of the most straightforward measures of biodiversity used in ecological assessments.

Question 5

In the context of environmental impact assessment, what does 'cumulative impact' mean?

Accepted Answer

The incremental impact of a project when added to other past, present, and reasonably foreseeable future actions

Answer

A cumulative impact is the combined environmental effect of a project's impacts added to the impacts of other past, present, and reasonably foreseeable future actions in the same area.

AEP - Associate Environmental Professional Certification Practice Test

AEP - Associate Environmental Professional Certification Practice Test

AEP AEP Ecological Systems & Biodiversity 2