Ecology And Environmental Health

Question 0

Ecosystem ecology

Answer 0

Whole systems view, stresses energy flows and material cycles

Question 1

Ecology

Answer 1

Study of interactions between organisms and their environments

Question 2

Community ecology

Answer 2

Interactions of species

Question 3

Population ecology

Answer 3

Inter species interaction and population dynamics

Question 4

Biosphere

Answer 4

Largest known ecosystem

Question 5

Biomes

Answer 5

Major ecological zones characterized by amount of precipitation, temperature, and availability of soil nutrients

Question 6

Ecosystem functioning

Answer 6

Regulated ecological processes

Question 7

Trophic structure

Answer 7

Organization of ecosystems by feeding levels

Question 8

Trophic level

Answer 8

Organisms tier on the pretty or pyramid

Question 9

Autotrophs

Answer 9

Primary producers

Convert sunlight to energy

Question 10

Habitat diversity

Answer 10

Comes with increased habitat area and amount/variety of resources

Question 11

Competitive exclusion principle

Answer 11

No two species can occupy the same niche (needs and role of species in environment)

Question 12

Population

Answer 12

Group if interbreeding individuals in a particular area

Question 13

Density independent regulators

Answer 13

Temperature, humidity, rainfall

Question 14

Density dependent regulators

Answer 14

Competition, predation, parasitism

Question 15

Carrying capacity

Answer 15

Maximum population size that can be supported by a given habitat’s resources

Question 16

Biodiversity

Answer 16

Organismic variety

Question 17

Human threats to biodiversity

Answer 17

Habitat loss
Introduced species 
Infectious diseases
Climate change
War and conflict
Ultraviolet radiation
Over exploitation

Question 18

Pharmacognosy

Answer 18

The study of medicines derived from natural sources