Unit 2

Question 1

Biodiversity

Answer 1

Diversity of life forms in an environment. Exists on 4 scales: genetic, species, habitat, ecosystem.

Question 2

Genetic Diversity

Answer 2

Genetic variation among individuals in a population

Question 3

Bottleneck effect

Answer 3

Phenomenon in which a population is reduced in size due to natural disasters, habitat loss, or overhunting and rebound results in less variation.

Question 4

Species

Answer 4

Group of organisms with distinct morphology or behavior

Question 5

Species diversity

Answer 5

number of species in a region

Question 6

Habitat diversity

Answer 6

variety of habitats in a ecosystem

Question 7

Specialists

Answer 7

Only live under a narrow range of biotic or abiotic conditions

Question 8

Generalists

Answer 8

Live under a wide range of biotic and abiotic conditions

Question 9

Ecosystem diversity

Answer 9

Variety of ecosystems in a region

Question 10

Species richness

Answer 10

Number of species in a region

Question 11

Species evenness

Answer 11

Proportion of individuals within different species

Question 12

Ecosystem services

Answer 12

Life supporting resources are produced. They must benefits humans in some way. 4 categories are provisions, regulating services, support systems, cultural services.

Question 13

Provisions

Answer 13

goods produced by ecosystems that humans can use. Ex. cancer killing chemicals can be found in bark of some trees.