Earth's Systems

Question 1

System

Answer 1

a set of things working together as parts of a mechanism or an interconnecting network.

Question 2

Feedback

Answer 2

information about reactions to a product, a person’s performance of a task, etc. which is used as a basis for improvement.

Question 3

Model

Answer 3

a person or thing regarded as an excellent example of a specified quality.

Question 4

Biosphere

Answer 4

the regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms.

Question 5

Ecosystem

Answer 5

a biological community of interacting organisms and their physical environment.

Question 6

Biome

Answer 6

a large naturally occurring community of flora and fauna occupying a major habitat

Question 7

Organism

Answer 7

an individual animal, plant, or single-celled life form.

Question 8

Population

Answer 8

a community of animals, plants, or humans among whose members interbreeding occurs.

Question 9

Biotic Factor

Answer 9

relating to or resulting from living things, especially in their ecological relations.

Question 10

Abiotic Factor

Answer 10

a nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it

Question 11

Community

Answer 11

a locality inhabited by such a group

Question 12

Habitat

Answer 12

the place where a person or thing is usually found

Question 13

Niche

Answer 13

a distinct segment of a market.

Question 14

Biodiversity

Answer 14

biological diversity among and within plant and animal species in an environment

Question 15

Keystone Species

Answer 15

A species whose presence and role within an ecosystem has a disproportionate effect on other organisms within the system.

Question 16

Exponential Growth

Answer 16

growth whose rate becomes ever more rapid in proportion to the growing total number or size

Question 17

Logistic Growth

Answer 17

population increase that happens in a manner that starts slowly, as there are few individuals

Question 18

Carrying Capacity

Answer 18

the number of people, other living organisms, or crops that a region can support without environmental degradation

Question 19

Density Dependent

Answer 19

any force that affects the size of a population of living things

Question 20

Density Independent

Answer 20

factors are typically a physical factor of the environment, unrelated to the size of the population in question

Question 21

Population Density

Answer 21

the number of population per unit of total land area of a country

Question 22

Emigration

Answer 22

the act of leaving one’s own country to settle permanently in another; moving abroad

Question 23

Disturbance

Answer 23

the interruption of a settled and peaceful condition

Question 24

Resilience

Answer 24

the capacity to recover quickly from difficulties; toughness

Question 25

Resistance

Answer 25

the refusal to accept or comply with something; the attempt to prevent something by action or argument

Question 26

Ecological Succession

Answer 26

the process by which the structure of a biological community evolves over time