Chapter 42: Organisms in Their Environment

Question 1

Physical geography

Answer 1

the study of the distributions of Earth’s climates and surface features
WOW, it doesn’t all look the same! Different places look really different

Question 2

Biogeography

Answer 2

the study of the distributions of organisms
different organisms are suited for different environments/not all can live everywhere
sharks can’t just live on a mountain in North Dakota

Question 3

Abiotic factors

Answer 3

nonliving factors
sunlight
soil

Question 4

biotic components

Answer 4

living components

Question 5

ecological system

Answer 5

one or more organisms + the external environment in which they interact

Question 6

Ecology

Answer 6

comes from the study of house
apparently, when the guy who came up with this said house, he meant “the total relations of the animal both to its inorganic environment [abiotic] and its organic [biotic] environment”
becuase apparently that is what house means
ecology is super old because people were like oh this is food oh this is a dangerous predator for a verrryyyy long time

Question 7

individual organism

Answer 7

smallest ecological unit
remove materials and energy from surroundings and turn them into things they can use/understand
mere presence changes the area

Question 8

population

Answer 8

a group of individuals of the same species that live, interact, and interbreed in a particular geographic area at the same time
size changes based on reproduction/death

Question 9

community

Answer 9

the assemblage of interacting populations of different species within a particular geographic area

Question 10

biosphere

Answer 10

all of the organisms and environments of the whole entire planet

Question 11

Ecosystem

Answer 11

generally used to refer to communities + physical environment

Question 12

Are large ecological systems generally more complex than small ones? Why or why not?

Answer 12

more parts

parts intreract over a greater range of scales