Duplicate of First Semester Ecology Review

Question 1

The "hot spot" strategy seeks to protect species in danger of extinction due to

Accepted Answer

human activity

Question 2

If immigration and emigration numbers remain equal, the most important contributing factor to a slowed growth rate is

Accepted Answer

decreased birthrate

Question 3

Animals that use language are most likely those that have the greatest capacity for

Accepted Answer

behavioral cycles

Question 4

During migration, animals undertake a

Accepted Answer

seasonal movement

Question 5

How do most primary producers make their own food?

Accepted Answer

by using light energy to make carbohydrates

Question 6

Imprinting is a form of behavior that

Accepted Answer

occurs during a specific time in young animals

Question 7

The total amount of living tissue within a given trophic level is called the

Accepted Answer

biomass

Question 8

A bird stalks, kills, then eats an insect, based on this behavior, which pair of ecological terms describes the bird?

Accepted Answer

carnivore, consumer

Question 9

The sulfur and nitrogen compounds in smog combine with water to form

Accepted Answer

acid rain

Question 10

If a population grows larger than the carrying capacity of the environment, the

Accepted Answer

death rate may rise

Question 11

Cell specialization allows cells to

Accepted Answer

perform different functions

Question 12

In a logistic growth curve, exponential growth is the phase in which the population

Accepted Answer

grows quickly

Question 13

Which big idea in biology is MOST concerned with DNA?

Accepted Answer

information and heredity

Question 14

A tropical rain forest may not return to its original climax community after which of the following disturbances?

Accepted Answer

clearing and farming

Question 15

A major factor that negatively affects biodiversity is

Accepted Answer

habitat fragmentation

Question 16

Certain behaviors are innate in animals because they are essential for

Accepted Answer

survival immediately after birth

Question 17

Which of the following is NOT considered a sustainable-development strategy for management of Earth's resources?

Accepted Answer

desertification

Question 18

How are species diversity and genetic diversity different?

Accepted Answer

species measures the number of species/genetic measures genetic variety

Question 19

Water lillies do not grow in desert sand because water availability to these plants in a desert is

Accepted Answer

a limiting factor

Question 20

A symbiotic relationship in which one organism is harmed and another benefits is

Accepted Answer

parasitism

Question 21

All the interconnected feeding relationships in an ecosystem make up a food

Accepted Answer

web

Question 22

One measurement of the human impact on the biosphere is called

Accepted Answer

an ecological footprint

Question 23

Using resources in a way that does not cause long -term environmental harm is called

Accepted Answer

sustainable development

Question 24

helping family members survive increases the chances that some of one's genes will be passed to offspring is called

Accepted Answer

kin slection

Question 25

What would happen to the population of prey if their predator species were to have a decrease in population?

Accepted Answer

the prey population would increase

Question 26

Countries in the first stage of demographic transition have

Accepted Answer

a high death rate and a high birthrate

Question 27

Which of the following is a density-independent limiting factor?

Accepted Answer

the eruption of a volcano

Question 28

Learning occurs whenenver

Accepted Answer

a stimulus causes an animal to change its behavior

Question 29

What is one difference between primary and secondary succession?

Accepted Answer

secondary begins on soil and primary begins on newly exposed surfaces.

Question 30

What are the smallest objects biologists study?

Accepted Answer

molecules, cells

Question 31

Science differs from other disciplines, such as history and the arts, because science relies on

Accepted Answer

testing explanations

Question 32

Based on your observations, you suggest the presence of water could accelerate the growth of bread mold. This is

Accepted Answer

a hypothesis

Question 33

In countries like India, the human population is growing

Accepted Answer

exponentially

Question 34

No two species can occupy the same niche in the same habitat at the same time

Accepted Answer

because of the competitive exclusion principle

Question 35

One property that makes DDT hazardous over the long is that it is

Accepted Answer

subject to biological magnification

Question 36

Measurements made while observing a plant grow 3 cm over a two-week period are called

Accepted Answer

data

Question 37

Which is always the last step in a food web?

Accepted Answer

decomposers

Question 38

What animals eat both producers and consumers?

Accepted Answer

omnivores

Duplicate of First Semester Ecology Review

Questions 38

Duplicate of First Semester Ecology Review

Questions 38