Question 1

Stable isotope analysis uses variation in element masses to better understand ecological phenomena.

Accepted Answer

A) True 
 B)False

Question 2

The pioneering work of Nalini Nadkarni in rain forest ecology revealed that

Accepted Answer

A)  epiphyte mats in some tropical forests contain nutrient quantities equal to the nutrient content of the canopy foliage. 
B)  the epiphyte mass in temperate rain forests may be four times the mass of leaves on their host tree. 
C)  in both temperate and tropical rain forests, trees obtain nutrients by extending roots into epiphyte mats. 
D)  the epiphyte mass in temperate rain forests may be four times the mass of leaves on their host tree and in both temperate and tropical rain forests, trees obtain nutrients by extending roots into epiphyte mats. 
E)  All of the choices are correct.

Question 3

The highest level of ecological organization focuses on

Accepted Answer

A)  the gene. 
B)  the biosphere. 
C)  warbler use of trees. 
D)  forests. 
E)  None of the choices are correct.

Question 4

An ecosystem is defined as

Accepted Answer

A)  all the organisms that live in an area. 
B)  the physical environment with which organisms interact. 
C)  an association of interacting species. 
D)  all of the organisms that live in an area and the physical environment with which they interact. 
E)  all of the individuals of a single species that live in an area and the physical environment with which they interact.

Question 5

Physiological ecologists study

Accepted Answer

A)  nutrient cycling and energy flow through ecosystems. 
B)  exchanges of materials, energy, and organisms between communities. 
C)  physiological and anatomical mechanisms by which organisms deal with variation in their physical and chemical environment. 
D)  physiological and anatomical mechanisms by which organisms deal with variation in their social environment. 
E)  None of the choices are correct.

Exam 1: Introduction to Ecology: Historical Foundations and Developing Frontiers

Stable isotope analysis uses variation in element masses to better understand ecological phenomena.

The pioneering work of Nalini Nadkarni in rain forest ecology revealed that

The highest level of ecological organization focuses on

An ecosystem is defined as

Physiological ecologists study