ecology

Question 1

ecosystem

Answer 1

All the interacting parts of a biological community and its environment

Question 2

biodiversity

Answer 2

The number of variety of life forms,including species,found within a specific region as well as all the number and variety of ecosystems within and beyond the region.

Question 3

Carrying capacity

Answer 3

The maximum number of species that the ecosystem can support has been reached. (fish tank)

Question 4

population

Answer 4

All the individuals of a species that occupy a particular geographic area at a certain time

Question 5

Trophic level

Answer 5

The different levels in a food chain

Question 6

decomposer

Answer 6

Decompose the dead plant and plants back into the environment (bacteria,fungi)

Question 7

photosynthesis

Answer 7

A process the changes solar energy into chemical energy

Question 8

Cellular respiration

Answer 8

A process that releases energy from organic molecules, especially carbohydrates, in the presence of oxygen

Question 9

biome

Answer 9

areas defined by the specis and orginism that live there. (desert, tropical rainforest, taiga)

Question 10

biosphere

Answer 10

The regions of earth where living organisms exist

Question 10

mutualism

Answer 10

A symbiotic relationship between relationships in which both species benefit from the relationship.

Question 11

symbiosis

Answer 11

The interaction between members of two different species living together.

Question 11

Invasive species

Answer 11

A species that can take over the habitat of native species

Question 12

Keystone species

Answer 12

A species that are so abundant that they have the biggest biomass of any community member.

Question 13

Ecological niche

Answer 13

The way that an organism occupies a position in an ecosystem including all the necessary biotic and abiotic factors.

Question 14

Ecological footprint

Answer 14

A measure of impact of an individual or a population on the environment in terms of energy consumption, land use,and waste production.

Question 15

Greenhouse Effect

Answer 15

The warming of earth is a result of greenhouse gasses,which trap some of the energy that would otherwise leave the earth.

Question 16

commensalism

Answer 16

Where one organism helps another organism but the one helping doesn’t get anything in return (help - neutral).

Question 17

parasitism

Answer 17

when one organism gets help and the other gets harmed (predator - prey).

Question 18

competition

Answer 18

Two or more organisms compete for the same resources.

Question 19

producer

Answer 19

Producers are first trophic level and make their own food and do not depend on any other organism for nutrition.

Question 20

Consumer

Answer 20

Consumers get their food and nutrition from other consumers or the producer.

Question 21

Species

Answer 21

A group of organisms that have similar individuals and are able to exchange genes through breeding to produce offspring that are able to reproduce.

Question 22

community

Answer 22

all populations that live in a certain place.

Question 23

habitat

Answer 23

place where an organism lives

Question 24

niche

Answer 24

organism’s role, or job, in its habitat

Question 25

food chain

Answer 25

a chain of organisms in which each link feeds on the one ahead and is eaten by the one behind

Question 26

food web

Answer 26

way of showing how food chains are related

Question 27

conservation

Answer 27

wise use of natural resources

Question 28

Sustainability

Answer 28

Capable of continuing to meet the needs to any population or ecosystem.

Question 29

water cycle

Answer 29

the continuous movement of water within the earth and atmosphere

Question 30

phosphorus cycle

Answer 30

the continuous movement of phosphorus within the earth and atmosphere

Question 31

eutrophication

Answer 31

te process in which a water body becomes overly enriched with nutrients leading to the plentiful growth of simple plant life

Question 32

desertification

Answer 32

the process by which vegetation in drylands and semi-arid lands such as grasslands on shrublands, decreases and eventually disappears.

Question 33

global warming

Answer 33

the long term warming of the planets overall temperature.

Question 34

non renewable energy

Answer 34

sources that will run out or will not be replenished in our lifetime

Question 35

overfishing

Answer 35

catching too many fish at once, so population become too depleted to recover

Question 36

deforestation

Answer 36

the purposeful clearing of forest land

Question 37

climate change

Answer 37

a long time change in the average weather patterns that become harmful

Question 38

nitrogen cycle

Answer 38

the continuous movement of nitrogen within the earth and atmosphere

Question 39

carbon cycle

Answer 39

the continuous movement of carbon within the earth and atmosphere

Question 40

restoration

Answer 40

an act of restoring or the condition of being restore.

Question 41

pollution

Answer 41

the introduction of harmful material into the environment

Question 42

wetland

Answer 42

areas where water covers the soil

Question 43

energy conservation

Answer 43

the decision and practice of using less energy

Question 44

endangered species

Answer 44

a type of organism that is threatened by extinction

Question 45

extinction

Answer 45

the complete disappearance of a species from earth

Question 46

ozone depletion

Answer 46

the thinning of the ozone layer present in the upper atmosphere

Question 47

acid rain

Answer 47

any form of precition with acidic compleants

Question 48

ecological succession

Answer 48

process of the change of a species that makes up a ecolagical communitiy over time.

Question 49

renewable energy

Answer 49

energy derived from natural sources that are replenished at a higher rate than they are consumed