earth 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

to construct or fashion in imitation of a particular model modeled its constitution on that of the U.S. 2a : to shape or fashion in a plastic material modeling figures from clay.

Question 4

Biosphere

Answer 4

the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) 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, e.g. forest or tundra.

Question 7

Organism

Answer 7

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

Question 8

Population

Answer 8

the whole number of people or inhabitants in a country or region.

Question 9

Biotic Factor

Answer 9

A biotic factor is a living organism that shapes its environment.

Question 10

Abiotic Factor

Answer 10

Description. Biotic and abiotic factors are what make up ecosystems.

Question 11

Community

Answer 11

a group of interdependent organisms inhabiting the same region and interacting with each other.

Question 12

Habitat

Answer 12

the natural home or environment of an animal, plant, or other organism.

Question 13

Niche

Answer 13

a comfortable or suitable position in life or employment.

Question 14

Biodiversity

Answer 14

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

Question 15

Keystone Species

Answer 15

In a marine ecosystem, or any type of ecosystem, a keystone species is an organism that helps hold the system together.

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

Logistic growth is population increase that happens in a manner that starts slowly, as there are few individuals, then increases in speed as numbers increase, but then decreases to a halt as numbers get high enough that resources are depleted and cannot support further growth.

Question 18

carrying capacity

Answer 18

the number or quantity of people or things that can be conveyed or held by a vehicle or container.

Question 19

density dependent

Answer 19

A density-dependent factor is a factor whose effects on the size or growth of a population vary with the population density.

Question 20

density independent

Answer 20

Density independent factors, in ecology, refer to any influences on a population’s birth or death rates, regardless of the population density.

Question 21

population density

Answer 21

Population density is the concentration of individuals within a species in a specific geographic locale.

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.