Ecology

Question 1

Ecology

Answer 1

the study of interactions between organisms and their environment

Question 2

Biotic Factors

Answer 2

all living organisms inhabiting earth

Question 3

Abiotic Factors

Answer 3

non living parts of the environment

Question 4

Community

Answer 4

multiple interacting populations living in the same area

Question 5

Ecosystem

Answer 5

communities of organisms living in a similar place in addition of abiotic factors in the enviroments

Question 6

Biome

Answer 6

a group of ecosystems with similar climate and communities

Question 7

Biosphere

Answer 7

the largest level or organization.
Including life, water, land, and air

Question 8

Sunlight

Answer 8

the energy source of all life on earth

Question 9

Autotroph

Answer 9

organisms that produce their own food
Common Name: Producers

Question 10

Heterotroph

Answer 10

organisms that can’t produce their own food
Common Name: Consumer

Question 11

Scavengers

Answer 11

organisms that feed on dead animals

Question 12

Detritivores

Answer 12

small organisms that cycle matter back into the ecosystem
Common Name: Decomposers

Question 13

Types of Prey Relationships

Answer 13

1. Predator
   - Predator eats Pray

Question 14

Types of Symbiosis

Answer 14

1. Commensalism
2. Mutualism
3. Parasitism

Question 15

Commensalism

Answer 15

helps 1 species and has no effect on other

Question 16

Mutualism

Answer 16

benefits both species

Question 17

Parasitism

Answer 17

1 species benefits feeding on another, harming without killing it

Question 18

Food Chain

Answer 18

a linear feeding relationship

Question 19

Food Web

Answer 19

a complex, non-linear feeding relationship including multiple chains

Question 20

Trophic Level

Answer 20

feeding levels in a food chain/web

Question 21

Energy

Answer 21

• one way flow!!!
• flows throughout food chains/webs

Question 22

What is Important about food chains/webs?

Answer 22

the arrow always points to the organism doing the eating because they are obtaining the energy

Question 23

True or False: Energy DOES NOT gets cycled back into the beginning. it dissipates into the atmosphere

Answer 23

True

Question 24

Energy transfer is _______

Answer 24

inefficient

Question 25

% of Energy that is LOST at each trophic level

Answer 25

90%

Question 26

Energy that is lost is...

Answer 26

1. Used for bodily needs 2. Stored as bone of hair

Question 27

Examples of Bodily Needs that Needs Lost Energy

Answer 27

Digestion Heart rate etc

Question 28

How is lost energy stored as bone of hair

Answer 28

it dissipates into the atmosphere as heat during energy transfer

Question 29

% of energy that gets PASSED onto the next Trophic Level

Answer 29

10%

Question 30

Biomass

Answer 30

organic material that is transferred when plants and animals are consumed

Question 31

With less energy, there will be

Answer 31

less Induviduals

Question 32

Biogeochemical Cycles

Answer 32

the cycling of matter through biotic and abiotic compartments of earth

Question 33

Biotic compartments

Answer 33

biosphere

Question 34

Abiotic compartments

Answer 34

lithosphere atmosphere hydrosphere

Question 35

Is biomass cycled

Answer 35

YES! energy flows, biomass is cycled

Question 36

Pollutants

Answer 36

natural or man-made substances released into soil, air or water greater than natural amounts

Question 37

Acid Rain

Answer 37

wet acid deposits combined with H2O

Question 38

Bioaccumulation

Answer 38

Build up pollutants in tissues or organisms

Question 39

Biological Magnification

Answer 39

chemicals increase as pollutants move up the food chain

Question 40

DDT pesticide

Answer 40

leds to extinction to osprey