Ecosystems Vocabulary

Question 1

Biotic

Answer 1

relating to or resulting from living things specially in their ecological relations

Question 2

abiotic

Answer 2

physical rather then biological, not derived from living organism

Question 3

biodiversity

Answer 3

the variety of life world or in a particular habitat or ecosystem

Question 4

energy flow

Answer 4

the flow through living things within an ecosystem

Question 5

trophic levels

Answer 5

each of several hierarchical levels in ecosystem

Question 6

biochemical cycles

Answer 6

the pathway by which a chemical substance cycles

Question 7

populations

Answer 7

group of organisms of the same species who inhabit the same particular geography

Question 8

biomes

Answer 8

environment in a group of ecosystems

Question 9

invasive species

Answer 9

any kind of living organism that invades a location

Question 10

biomagnification

Answer 10

accumulation of insecticide or toxins in organisms

Question 11

eutrophication

Answer 11

when the environment becomes enriched with nutrients

Question 12

carrying capacity

Answer 12

the total frequency of individuals within a community a habitat can sustain

Question 13

limiting factor

Answer 13

anything that constrains a populations size

Question 14

chemical half life

Answer 14

the time it takes for concentration of that substance to fall to half of its initial value

Question 15

diversity index

Answer 15

a quantitative measure that reflects how many different types

Question 16

successions

Answer 16

a number of people or things sharing a specified character and following after the other

Question 17

periodic table

Answer 17

a table of the chemical elements arranged in order of atomic number usually in rows