Question 1

Which of the following best describes a Fixed Action Pattern (FAP) in animal behavior?

Accepted Answer

A sequence of innate behaviors triggered by a specific sign stimulus.

Question 2

Which scenario best illustrates the concept of imprinting in behavioral ecology?

Accepted Answer

A duckling following the first moving object it sees after hatching.

Question 3

Which of the following is an example of associative learning?

Accepted Answer

A rat pressing a lever to receive food after being conditioned.

Question 4

In population ecology, which equation correctly represents exponential population growth?

Accepted Answer

$$N_t = N_0$ e$$^{rt}$$

Question 5

Which survivorship curve (Type I, II, or III) best describes a population where most individuals survive to old age?

Accepted Answer

Type I

Question 6

A population of fish in a lake shows a sudden decline after a chemical spill. Which factor is most likely responsible for this change?

Accepted Answer

Abiotic factor

Question 7

Which of the following is an example of mutualism?

Accepted Answer

Bees pollinating flowers while collecting nectar.

Question 8

Which equation represents logistic population growth, accounting for carrying capacity $$K$$?

Accepted Answer

$$\frac{dN}{dt} = rN \left(1 - \frac{N}{K}\right)$$

Question 9

Which of the following best describes the competitive exclusion principle?

Accepted Answer

Two species with identical niches cannot coexist indefinitely.

Question 10

Which of the following is a biogeochemical cycle affected by human activity through nutrient enrichment?

Accepted Answer

Nitrogen cycle

Question 11

Which of the following is a real-world example of Batesian mimicry?

Accepted Answer

A harmless king snake resembling a venomous coral snake.

Question 12

Which factor is most likely to limit primary productivity in aquatic ecosystems?

Accepted Answer

Light availability

Question 13

Which of the following best describes a keystone species?

Accepted Answer

A species whose impact on its community is disproportionately large relative to its abundance.

Question 14

Which of the following is a direct effect of ozone depletion in the upper atmosphere?

Accepted Answer

Increased ultraviolet radiation reaching Earth's surface.

Question 15

Which of the following best explains the concept of trophic efficiency?

Accepted Answer

The percentage of energy transferred from one trophic level to the next.

Question 16

Which restoration strategy involves the use of living organisms to detoxify polluted environments?

Accepted Answer

Bioremediation

Question 17

Which of the following is an example of density-dependent population regulation?

Accepted Answer

Competition for food resources increases as population size grows.

Question 18

Which of the following best describes the role of producers in an ecosystem?

Accepted Answer

They convert solar energy into chemical energy through photosynthesis.

Question 19

Which of the following is a consequence of habitat fragmentation?

Accepted Answer

Reduced gene flow between populations.

Question 20

Which of the following best describes the concept of ecological footprint?

Accepted Answer

The total area of land and water required to support a person's lifestyle.

Ecology and Behavioral Biology: Key Concepts and Study Guide

Study Guide - Practice Questions