earth systems

Question 1

Systems

Answer 1

A system pertains to interdependent or interrelated objects comprising and functioning as a whole.

Question 2

Feedback

Answer 2

a response within a system

Question 3

Model

Answer 3

a representation of the structure and function of a biological system, and may be concerned with any level of biology from molecules to ecosystems.

Question 4

Biospere

Answer 4

he 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

a particular section, group, or type of people or animals living in an area or country.

Question 9

Biotic Factor

Answer 9

a living organism that shapes its environment.

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

An interacting group of various species in a common location.

Question 12

Habitat

Answer 12

The area and resources used by a particular species

Question 13

Niche

Answer 13

A species’ niche encompasses both the physical and environmental conditions it requires (like temperature or terrain) and the interactions it has with other species (like predation or competition).

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

An organism that helps define an entire ecosystem.

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

When the population grows exponentially at first, but then slows as the population size approaches the carrying capacity,

Question 18

Carrying capacity

Answer 18

The maximum population size of a biological species that can be sustained by that specific environment,

Question 19

Density dependent

Answer 19

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

Question 20

Density independent

Answer 20

Any force that affects the size of a population of living things regardless of the density of the population

Question 21

Population density

Answer 21

The concentration of individuals within a species in a specific geographic locale.

Question 22

Emigration

Answer 22

The act of leaving a resident country or place of residence with the intent to settle elsewhere.

Question 23

Disturbance

Answer 23

A temporary change in environmental conditions that causes a pronounced change in an ecosystem.