Ecology vocab

Question 1

Ecology

Answer 1

The study of interactions between organisms and their environment

Question 2

Biotic factors

Answer 2

Living factors in an organisms environment

Question 3

Abiotic factors

Answer 3

Non-living factors in an organisms environment

Question 4

Limiting factors

Answer 4

The mount of resources for each individual DECREASES as the number of organisms in the population INCREASE

Question 5

Carrying Capacity

Answer 5

The number of organisms that an ecosystem can sustainably support

Question 6

Symbiosis

Answer 6

A relationship in which two organisms live together in close association

Question 7

Invasive species

Answer 7

A species introduced into a habitat that has no natural predator

Question 8

Autotrophs

Answer 8

An organism that is able to form nutritional organic substances

Question 9

Heterotrophs

Answer 9

An organism that gets energy by consuming other organisms

Question 10

Herbivores

Answer 10

An organism that eats strictly plants

Question 11

Carnivores

Answer 11

An organism that strictly feeds n meat

Question 12

Omnivores

Answer 12

An organism that eats food of both plants and animals

Question 13

Food chain

Answer 13

A hierarchical series of organisms that each depend on the next source

Question 14

Food web

Answer 14

Consists of all the food chains in a single ecostystem

Question 15

Nutrient

Answer 15

A substance that provides nourishment essential for growth and the maintenance of life

Question 16

Succession

Answer 16

The change in either species composition, structure, or architecture of vegetation through time

Question 17

Biogeochemical cycle

Answer 17

The movement of nutrients and other elements between biotic and abiotic factors

Question 18

Photosynthesis

Answer 18

The process by which plants use sunlight to synthesize food from carbon dioxide and water

Question 19

Respiration

Answer 19

In physiology, respiration is the movement of oxygen from the outside environment to the cells within tissues, and the removal of carbon dioxide in the opposite direction that’s to the environment

Question 20

Nitrogen Fixation

Answer 20

An important process in the nitrogen cycle in which N2 from air s reduced to NH3 which can be further converted

Question 21

Denitrification

Answer 21

The microbial process of reducing nitrate and nitrite to gaseous forms of nitrogen

Question 22

Biosphere

Answer 22

The portion of Earth that supports life

Question 23

Population

Answer 23

Individual organisms of the same species living in the same area at the same time

Question 24

Biological Community

Answer 24

Group of populations that interact in the same area at the same time

Question 25

Ecosystem

Answer 25

A biological system and and all the factors that affect it

Question 26

Biome

Answer 26

A large group in an ecosystem