chapter 3

Question 1

ecology

Answer 1

• study of all processes influencing:
• distribution and abundance of organisms
• interactions between living things and environment

Question 2

hierarchy of ecology

Answer 2

• cell
• tissue
• organ
• organism
• population
• community
• ecosystem
• landscape
• biome
• biosphere

Question 3

Population

Answer 3

• individuals that make up interbreeding, reproducing group

- refers only to individuals of certain species in given area

Question 4

Biotic community

Answer 4

• grouping of populations

- determined by abiotic factors

Question 5

Ecosystem

Answer 5

• interactive complex of communities and abiotic environment affecting them
• lack distinct boundaries and are not isolated

Question 6

ecotone

Answer 6

transitional region between ecosystems

Question 7

landscape

Answer 7

cluster of interacting ecosystems

Question 8

biome

Answer 8

large area w/ same climate and vegetation

Question 9

condition

Answer 9

any factor that varies in space and time but is not used up

Question 10

resource

Answer 10

any factor consumed by organisms

Question 11

biosphere

Answer 11

• huge system formed by all living things

- interacts w/, and depends on, other 3 spheres

Question 12

range of tolerance

Answer 12

entire range allowing any growth

Question 13

limits of tolerance

Answer 13

high and low ends of range of tolerance

Question 14

matter

Answer 14

anything that occupies space and has mass

Question 15

How does energy affect matter?

Answer 15

• Energy changes position or state of matter

- energy is the ability to move matter

Question 16

kinetic energy

Answer 16

energy in action or motion (ex: light, heat, physical motion, electrical current)

Question 17

potential energy

Answer 17

energy in storage (ex:gasoline

Question 18

global carbon cycle

Answer 18

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