Introduction to Ecology

Question 1

Ecology

Answer 1

study of relationships between 2 organisms or an organism and its environment

Question 2

Characteristics of Life

Answer 2

-made of cells
-have DNA/ RNA
-growth
-reproduction (sexual or asexual)
-respond to stimuli
-adapt to environment and evolve
-metabolism

Question 3

Levels of Ecological Organization

Answer 3

Organism, Population, Community, Ecosystem, Biome, Biosphere

Question 4

Organism

Answer 4

individual member of a species/ population

Question 5

Population

Answer 5

multiple organisms of the same species living together

Question 6

Community

Answer 6

multiple populations of different species living together

Question 7

Ecosystem

Answer 7

community + all of its abiotic factors

Question 8

Biome

Answer 8

multiple ecosystems that share similar characteristics but are on different parts of the planet

Question 9

Biodiversity

Answer 9

the variety of organisms considered at all levels, from populations to ecosystems

Question 10

Taxonomy

Answer 10

field of biology that classifies organisms, based on similar characteristics (Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species)

Question 11

Cladogram

Answer 11

diagram that shows relatedness of organisms (does not show ancestral relationships)

Question 12

Dichotomous Key

Answer 12

tool used to identify organisms based on characteristics
ex.
A————————–Go to 2
B—————————Go to 3

C—————————-Dog
C—————————-Cat