Ecology

Question 1

Ecology

Answer 1

How organisms interact with their environment

Question 2

Biotic

Answer 2

Living things

Question 3

Population

Answer 3

One species in one place

Question 4

Community

Answer 4

Many species in one place

Question 5

Ecosystem

Answer 5

Interaction of the community with the environment

Question 6

Biosphere

Answer 6

Portion of the earth where life exists

Question 7

Lithosphere

Answer 7

Earth’s surface

Question 8

Hydrosphere

Answer 8

Water

Question 9

Atmosphere

Answer 9

Air

Question 10

Abiotic

Answer 10

Non-living

Question 11

Limiting factors

Answer 11

Biotic or abiotic factors in the environment that limit the size of a population

Question 12

Carrying capacity

Answer 12

The maximum number of organisms of a particular species that an ecosystem can support

Question 13

Heterotrophs

Answer 13

Organisms that obtain performed food - ingest, digest, absorb, egest

Question 14

Herbivore

Answer 14

Eats only plants

Question 15

Carnivore

Answer 15

Eats only animals

Question 16

Predator

Answer 16

Hunts, attacks and eats prey

Question 17

Scavenger

Answer 17

Feeds on dead

Question 18

Omnivore

Answer 18

Eats both plants and meat

Question 19

Saprophyte

Answer 19

Decomposers that get their nutrition by breaking down dead remains

Question 20

Autotroph

Answer 20

Organisms that produce their own food

Question 21

Photosynthetic

Answer 21

Using sunlight to produce organic glucose

Question 22

Chemosynthetic

Answer 22

Making food using chemicals

Question 23

Symbiotic relationships

Answer 23

At least one organisms benefits by the relationship

Question 24

Mutualism

Answer 24

Both benefit

Question 25

Commensalism

Answer 25

One benefits and ones unaffected

Question 26

Parasitism

Answer 26

One benefits and ones harmed

Question 27

Food chain

Answer 27

Shows the flow whereby one organisms consumes another

Question 28

Food web

Answer 28

Overlapping food chains

Question 29

Producer

Answer 29

Autotroph, plant, bottom of the pyramid and first in the food chain

Question 30

Consumer

Answer 30

Eats other organisms

Question 31

Decomposer = Saprophyte

Answer 31

Breaks down dead matter for nutrition ex: bacteria

Question 32

Cycles

Answer 32

. Water cycle . Oxygen/ carbon dioxide cycle . Nitrogen cycle

Question 33

Competition in ecosystems

Answer 33

. Habitat - place where organism lived . Niche- job or role in ecosystem . Infraspecific competition - competition between two different species . Interspecific competition - competition between two different species

Question 34

Stable ecosystems must have the following:

Answer 34

1. Cycling of materials 2. Autotrophs (plants) 3. Constant source of energy (sun)

Question 35

Ecological succession

Answer 35

One community takes over another

Question 36

Dominant species

Answer 36

Most powerful

Question 37

Climax community

Answer 37

Final stable community

Question 38

Primary succession

Answer 38

First time it goes through all the stages

Question 39

Terrestrial

Answer 39

Succession on land

Question 40

Aquatic

Answer 40

Succession in lakes and ponds

Question 41

Secondary succession

Answer 41

Second time it goes through all the stages. Typically due to natural disaster

Question 42

Biodiversity

Answer 42

The variety of species in a particular area