UNIT I ECOLOGY INTRODUCTION

Question 1

derived from “oikos” (greek) + “logus” (latin)

Answer 1

oekologie

Question 2

the study of nature’s household

Answer 2

oekologie

Question 3

the study of plants, animals, microorganisms their relationship with each other and with their physical environment

Answer 3

Ernst Haeckel

Question 4

study of nature

physical, chemical. and biological processes of our environment and how theses processes operate as a system

Answer 4

ecology

Question 5

study of the relationship of organisms with their environment

Answer 5

ecology

Question 6

includes man as biological species

utilize matter and energy from the natural world and use them to live

Answer 6

organisms

Question 7

engage in biological processes to sustain life

Answer 7

organisms

Question 8

metabolism, growth, reproduction, migration

Answer 8

biological processes

Question 9

consists of all factors and phenomena outside of the organism that influences its survival and reproduction

Answer 9

environment

Question 10

include temperature, moisture, soil, water, chemical elements

Answer 10

physico-chemical environment

Question 11

factors interact with influence life of organisms

Answer 11

physico-chemical environment

Question 12

influence of one organism on another

Answer 12

biotic environment

Question 13

shapes the organism and its life-support system

Answer 13

environment

Question 14

all interactions, positive and negative, with the physical environment and the members of other species and individual of the same species

Answer 14

relationship

Question 15

interdependent parts that make up a whole

Answer 15

system

Question 16

environmental conservation
resource allocation
energy conservation
natural resource management

Answer 16

importance and relevance of ecology

Question 17

“decade of environment”

Answer 17

1970

Question 18

“Earth Day”

Answer 18

April 22, 1970

Question 19

the organisms natural habitat

Answer 19

ecologist’s laboratory

Question 20

autecology

synecology

Answer 20

subdivisions of ecology

Question 21

study of individuals or population of a single species and their relationship to their environment

Answer 21

autecology

Question 22

the structure and development of entire ecological communities and the interrelationships of the plants and animals within them

Answer 22

synecology

Question 23

deals with how behavior contributes to the survivorship, reproduction and population growth of species

Answer 23

behavioral ecology

Question 24

factors that affect population growth and determine population size

Answer 24

population ecology

Question 25

group of individuals of a single species, all of the members of which can interbreed

Answer 25

population

Question 26

focus on diversity and what influences the number of species in an area

Answer 26

community ecology

Question 27

examines nutrient availability and energy flow

Answer 27

ecosystem ecology