energy flow

Question 1

ability to do work

Answer 1

energy

Question 2

PAR means

Answer 2

photosynthetically active radiation

Question 3

light with wavelengths between 400 and 700 nm that is used by plants for photosynthesis

Answer 3

photosynthetically active radiation

Question 4

plants and other organisms use this to convert light energy into chemical energy

Answer 4

photosynthesis

Question 5

crucial for climate processes because it absorbs carbon dioxide from the atmosphere and subsequently binds it in plants, soils, and harvested goods.

Answer 5

photosynthesis

Question 6

components of energy flow in ecosystem

Answer 6

sun, producers, consumers, decomposers

Question 7

provides the majority of the energy used by people. it is also the source of biomass, fossil fuels, and some renewable energies like wind and solar electricity

Answer 7

sun

Question 8

what percentage of sunlight reach the Earth’s atmosphere and reflected back

Answer 8

34%

Question 9

__% of sunlight is held by ozone layer, water vapor, and other atmospheric gases

Answer 9

10%

Question 10

__% reaches the Earth’s surface and out of that 2 of 10% is used by plants and the remaining is absorbed as heat by water

Answer 10

56%

Question 11

organisms that use sunlight to generate their own energy

Answer 11

producers

Question 12

they convert sunlight, water, and carbon dioxide into sugar, which is then used to make food

Answer 12

producers

Question 13

producers in terrestrial ecosystem

Answer 13

herbaceous and woody plants

Question 14

producers in aquatic system

Answer 14

phytoplankton, algae, and higher plants

Question 15

animals that depends on plants for their food needs

Answer 15

consumers

Question 16

consumers are also called

Answer 16

heterotrophs

Question 17

they are unable to manufacture their own food. they eat plants or other animals for energy

Answer 17

consumers

Question 18

degrade dead organic matter or detritus

Answer 18

decomposers

Question 19

decomposers are also known as

Answer 19

saprotrophs

Question 20

they derive their energy, carbon, and nutrients from organic substrates for growth and development

Answer 20

decomposers

Question 21

it include energy transformation which occur within the ecosystem

Answer 21

ecological energetics

Question 22

study of energy flow within an ecological system from the time it enters the living system until it is degraded to heat and irreversibly lost from the system.

Answer 22

ecological energetics

Question 23

ecological energetics is also called

Answer 23

production ecology

Question 24

ecological energetics studies ….

Answer 24

energetic dependency of species in ecological systems

Question 25

laws that describes and explain how energy is transferred from one form to another

Answer 25

laws of thermodynamics

Question 26

law that states that energy can change forms but it is neither created nor destroyed. when an organism dies, its energy is not destroyed but is dissipated in the surroundings through decomposers

Answer 26

law of conservation energy

Question 27

_____ organisms energy is in a non-random form that is in the form of chemical bonds of biomolecules

Answer 27

living organisms

Question 28

food chain that begins with living green plants and progresses to grazing herbivores and carnivores

Answer 28

grazing food chain

Question 29

food chain that starts with dead organic matter and to organisms feeding on detritus and their predators

Answer 29

detritus food chain

Question 30

he introduced the ten percent law

Answer 30

raymond lindeman

Question 31

it means that when energy is passed in an ecosystem from one trophic level to another, only ten percent of the energy will be passed on

Answer 31

ten percent law

Question 32

it shows the feeding levels of organisms in an ecosystem and gives a visual presentation of energy loss at each level

Answer 32

energy pyramid

Question 33

a place in the natural surroundings where organisms occupy according to their feeding relationship with other organisms

Answer 33

trophic level

Question 34

certain mass of living material at a particular time. it is measured as the biomass of an organism or their number in a unit area

Answer 34

standing crop

Question 35

standing crop of primary producer

Answer 35

10,000 J

Question 36

standing crop of primary consumer

Answer 36

1000J

Question 37

standing crop of secondary consumer

Answer 37

100J

Question 38

standing crop of tertiary consumer

Answer 38

10J

Question 39

graphical representation of the energy found within the trophic levels of an ecosystem

Answer 39

pyramid of energy