Biotic Distribution

Question 1

Biota

Answer 1

the total complex of plant and animal life

Question 2

Highest level of the biota?

Answer 2

Kingdom

Question 3

What is the kingdom made up of?

Answer 3

all plants, all animals, all microorganisms

Question 4

Lowest level of the biota

Answer 4

species

Question 5

What is the species made up of

Answer 5

only one organism

Question 6

Species?

Answer 6

organisms that look the same and are capable of successful reproduction

Question 7

Environmental Influences of the distribution of terrestrial biota

Answer 7

Climate, Soil Characteristics, Topographic Factors, Catastrophic Events

Question 8

Biographical Influences of terristrial biota

Answer 8

Evolutionary development, migration, reproductive success, displacement, extinction

Question 9

Isotherm

Answer 9

a line on a map connecting points of equal temperature

Question 10

Natural Selection

Answer 10

“survival of the fittest”

Question 11

Gene pool

Answer 11

the sum of all genes of all people in a population

Question 12

Migration

Answer 12

the movement of organisms from one point to another

Question 13

Displacement

Answer 13

the naturally occuring, greadual removal of a species from an area

Question 14

Plant Succession

Answer 14

involves a series of temporary situations whereby one type of vegetation is naturally replaced another over time

Question 15

bioaccummulation

Answer 15

the buildup of pollutants such as ddt in organisms

Question 16

Human Influences of distribution of Biota

Answer 16

Loss of habitat, fragmentation of habitat, substitution of species, simplification, trans-location, contamination of environment

Question 17

Species Diversity

Answer 17

Total number of species in a geographic area

Question 18

Genetic Diversity

Answer 18

maintenence of genetic characteristics in the gene pool of a species

Question 19

Habitat Diversity

Answer 19

the number of different kinds of living environments in a given area

Question 20

Community Diversity

Answer 20

number of different groups in a species

Question 21

How many species are there?

Answer 21

1.8 million

Question 22

Extirpation

Answer 22

disappearance of a species over a large part of its former range

Question 23

How many mammal species are extinct

Answer 23

21%

Question 24

How many bird species are extinct?

Answer 24

13%

Question 25

How many amphibian species are extinct?

Answer 25

30%

Question 26

Characteristics of extinction prone animal species

Answer 26

Low population, Specialized diet, Large body, Need for specific habitat, cannot adapt to change

Question 27

Major human factors causing extinction

Answer 27

1) degradation 2) commercial market hunting 3) predator and pest control 4) wildlife trade 5) invasive species 6) pollutio

Question 28

1900 lacey act?

Answer 28

prohibits transporting live or dead wild animals

Question 29

Endangered species act 1973

Answer 29

protects any member of plant or animal species

Question 30

International Union for the protection of Nature and Natural Resources 1934

Answer 30

assigned problem species to one of five categories (endangered, threatened, rare, out of danger, indeterminite)