Energy Transfer

Question 0

Where are decomposers on the food chain?

Answer 0

At the very bottom

Question 1

What is a tertiary consumer?

Answer 1

The highest carnivore on the food chain (they eat secondary producers)

Question 2

What are heterotrophs?

Answer 2

They eat other organisms to live (primary, secondary, tertiary consumers and decomposers)

Question 3

What can produce its own food?

Answer 3

A producer (autotroph)

Question 4

What is the order of the food chain?

Answer 4

Decomposers-producers-primary consumers-secondary consumers-tertiary consumers

Question 5

Is earth an open or closed system?

Answer 5

Closed (transfers only energy and not matter)

Question 6

What is the albedo of ice?

Answer 6

0.9

Question 7

Mushrooms are classified as?

Answer 7

Heterotrophs, the obtain energy from plants and animals

Question 8

What percentage is lost between each tropic level of the food chain?

Answer 8

90%

Question 9

Mushrooms and worms occupy which level of the food chain?

Answer 9

Decomposers

Question 10

Biomass is?

Answer 10

the amount of living or organic matter present in an organism

Question 11

What is a biomass pyramid

Answer 11

A trophic pyramid showing how much organic matter in each level

Question 12

Which level on a biomass pyramid has the highest amount of organic matter in it? Which has the lowest?

Answer 12

Producers have the highest, tertiary have the lowest

Question 13

In terms of energy transfer, the most efficient diet is one with a greater portion of?

Answer 13

Plants, because it’s more efficient to eat from lower trophic levels

Question 14

3 ways humans are involved in energy transfer?

Answer 14

Dying, consuming, excrement

Question 15

Earth has what system?

Answer 15

Closed

Question 16

Difference between open and closed system?

Answer 16

Open allows transfer of both energy and matter

Closed allows only energy
A system where neither can transfer doesn’t exist

Question 17

Atmosphere?

Answer 17

The gaseous layer surrounding earth

Question 18

Geosphere (lithosphere)

Answer 18

Solid portion of earth

Question 19

Hydrosphere

Answer 19

All the waters on earth

Question 20

Biotic means?

Answer 20

Living

Question 21

Abiotic means?

Answer 21

Non-living

Question 22

An organism is

Answer 22

A single living unit

Question 23

Biodiversity is?

Answer 23

The number of species in an ecosystem

Question 24

A community is?

Answer 24

A number of populations in the same area

Question 25

An ecosystem is?

Answer 25

A community and it’s physical and chemical environment

Question 26

A population is?

Answer 26

A group of organisms of the same species in an area

Question 27

What is Albedo?

Answer 27

The reflectivity of a surface

Question 28

What % of solar energy is absorbed at earths surface? What % is reflected by the surface and atmosphere?

Answer 28

51%

30%

Question 29

What % of solar energy is used for photosynthesis? What % is absorbed by the clouds and atmosphere?

Answer 29

1-2%

19%

Question 30

What is the albedo of ice and snow?

Answer 30

90%

Question 31

What is the process of photosynthesis? (Chemical formula)

Answer 31

6CO2 + 6H2O + light = C6H12O6 + 6O2

Question 32

Matter is constantly?

Answer 32

Cycled

Question 33

Energy ______ matter ______

Answer 33

Flows

Cycles

Question 34

During energy transfer. Energy is always lost as

Answer 34

Heat

Question 35

What is Detritus?

Answer 35

The waste and remains of organisms

Question 36

What eats detritus?

Answer 36

Detrivours

ex. Worms

Question 37

A food chains is not usually longer than ___ organisms

Answer 37

5

Question 38

A food web shows?

Answer 38

Transfer of energy over several food chains

Question 39

____ % of energy is lost between each trophic lever

Answer 39

90

Question 40

Nitrogen had makes up ____ % of earths atmosphere

Answer 40

78.1