New quizzes

Question 1

Which of the following factors best defines the location and boundaries of a biome?

Answer 1

temperature and latitude

Question 2

Which of the following factors have the greatest direct influence on the distribution of terrestrial biomes?

Answer 2

average temperature and soil moisture

Question 3

Which of the following explains why some stands of trees in the taiga biome are called “drunken forest”?

Answer 3

Frost-heaving of shallow soil causes the trees to lean “drunkenly.”

Question 4

Which of the following provides an accurate comparison of the temperate rainforest and the boreal forest?

Answer 4

the temperate rainforest has more species of conifer than the boreal forest.

Question 5

Which of the following conditions is characteristic of a tropical grassland and savanna?

Answer 5

a pronounced dry season

Question 6

Which of the following is the defining characteristic of a lentic ecosystem?

Answer 6

It contains standing water.

Question 7

Which of the following statements explains the critical difference between a bog and a fen?

Answer 7

Bogs are fed by groundwater, but fens are not.

Question 8

Which of the following statements accurately describes an ecoregion?
Question 8 options:

Answer 8

An ecoregion is smaller than an ecozone and is characterized by climatic conditions and landforms.

Question 9

Permafrost is found in some parts of the boreal forest biome.

Answer 9

True

Question 10

The semi-evergreen tropical forest is fairly moist year-round.

Answer 10

False

Question 11

The deepest place in any ocean is in the South Pacific.

Answer 11

True

Question 12

The salinity of an estuary fluctuates on a daily basis

Answer 12

True

Question 13

The seaward side of a mountain range receives orographic precipitation.

Answer 13

True

Question 14

Which of the following statements distinguishes alpine tundra from arctic tundra?

Answer 14

Alpine tundra occurs at any latitude, but arctic tundra occurs only at high latitudes.

Question 15

Which of the following terrestrial biomes is considered to have the highest degree of ecological development?

Answer 15

a tropical rainforest

Question 16

Which of the following represents the correct sequence of primary productivity in a lake from least to most productive?

Answer 16

oligotrophic, mesotrophic, eutrophic

Question 17

Graminoids (grasses) dominate which of the following wetland types?

Answer 17

marsh

Question 18

Which of the following statements does NOT apply to coral reefs?

Answer 18

They occur in shallow, fertile waters.

Question 19

Biomes contain many distinct communities.

Answer 19

True

Question 20

Swamps are only ever flooded seasonally.

Answer 20

False

Question 21

Kelps tend to grow on sandy substrate.

Answer 21

False

Question 22

Which of the following scientists coined the word “biodiversity”?

Answer 22

E.O. Wilson

Question 23

According to the CBD definition, which of the following factors is NOT an important component of biodiversity?

Answer 23

the biomass of organisms in a large geographic area

Question 24

Which of the following environments most likely has many endemic species?

Answer 24

a tropical, forested island

Question 25

Which of the following species populations is likely at greatest risk of extinction?

Answer 25

a small endemic population

Question 26

In an effort to conserve the Florida panther (Felis concolor coryi), female panthers of another subspecies were introduced into the population. Which of the following statements gives a positive and negative effect of this strategy?

Answer 26

It increased genetic diversity but decreased subspecies integrity.

Question 27

Approximately how many species of organisms have been named?

Answer 27

1.8 million

Question 28

Which of the following features is considered an environmental service?

Answer 28

carbon storage in biomass

Question 29

Which of the following is currently the most commonly used renewable energy source?

Answer 29

trees

Question 30

Which of the following is a synonym for extirpation?

Answer 30

local extinction

Question 31

Which of the following organisms has NOT been extirpated from Canada?

Answer 31

timber wolf

Question 32

Canada has been considered a leader in biodiversity conservation among industrialized nations for which of the following reasons?

Answer 32

Canada was the first industrialized nation to sign the Convention on Biological Diversity (CBD).

Question 33

Which of the following terms refers to the number of species in a community (or clearly defined geographical area)?

Answer 33

alpha diversity

Question 34

Which of the figures above describes the typical relationship between the size of an area and the number of species present?

Answer 34

figure D

Question 35

Endemic species usually show little population diversity.

Answer 35

False

Question 36

What value does Simpson’s index (D) estimate?

Answer 36

the probability that two randomly sampled individuals will be of the same species

Question 37

Estimates of species richness will vary with the taxonomic competence of the researcher.

Answer 37

True

Question 38

Gamma diversity is defined as the richness of communities within a larger study region.

Answer 38

True

Question 39

Which of the following forests in Canada is NOT rare and/or threatened?

Answer 39

Boreal forest.

Question 40

Which of the following impacts is largely responsible for the loss of tallgrass prairie in Canada?

Answer 40

agriculture

Question 41

Canadian biodiversity has been relatively well studied and described, compared to most other nations.

Answer 41

True

Question 42

Ecosystem stability depends mostly on species richness

Answer 42

False

Question 43

Some ecological services depend on the presence of specialized organisms.

Answer 43

True