Nutrient Cycles For Environmental Science

Front 1

Sun provides energy for evaporation and gravity makes it come down. Which cycle?

Back 1

water

Front 2

Sun provides energy. Autotrophs convert carbon dioxide into glucose. Which cycle

Back 2

carbon

Front 3

Bacteria take N2 from air to make nitrates and ammonia for plants to use. Which cycle?

Back 3

nitrogen

Front 4

Protein containing amino acids involved in which cycle?

Back 4

nitrogen

Front 5

Combustion and respiration are important in this cycle. Which one?

Back 5

carbon

Front 6

Snow, rain, rivers, lakes, & oceans important in this cycle. Which one?

Back 6

water

Front 7

This is a cycle only on a geologic time scale because the nutrient gets locked up in deep ocean sediments. Which cycle?

Back 7

phosphorus

Front 8

Legumes house important bacteria that put this nutrient into a form plants can use. Which cycle?

Back 8

nitrogen

Front 9

Beans, peas, clover, alfalfa, anything that produces a bean pod is called.....

Back 9

a legume

Front 10

Lightning is of very high energy and is important in which cycle?

Back 10

nitrogen

Front 11

Some bacteria convert nitrates to nitrogen. What are they called?

Back 11

Denitrifying bacteria

Front 12

Some bacteria convert nitrogen to nitrates. What are they called?

Back 12

Nitrifying bacteria

Front 13

Some bacteria convert nitrogen to ammonia. What are they called?

Back 13

Ammonifying bacteria

Front 14

What process do plants use to capture carbon dioxide via chlorophyll?

Back 14

photosynthesis

Front 15

What process do nearly all organisms, including plants, use to use glucose and make carbon dioxide & water?

Back 15

respiration

Front 16

Respiration without the use of oxygen is called ____ respiration.

Back 16

Anaerobic

Front 17

Respiration in the presences of oxygen is called ____ respiration.

Back 17

Aerobic

Front 18

What are some products of anaerobic respiration?

Back 18

Alcohol, hydrogen sulfide, methane(natural gas)

Front 19

Bird guano is a major link in this cycle. Which cycle?

Back 19

phosphorus

Front 20

Plants & phytoplankton are major links between inorganic and organic compounds. Which cycle?

Back 20

carbon

Front 21

Volcanic activity and fossil fuel burning spews out a lot of these nutrients.Which cycles

Back 21

Carbon & sulfur

Front 22

Which cycle does not have a gaseous component that spends some time in the atmosphere?

Back 22

phosphorus

Front 23

What is the gaseous phase of the carbon cycle?

Back 23

carbon dioxide

Front 24

What are the gaseous phases of the nitrogen cycle?

Back 24

Gaseous nitrogen and Nitrogen oxides(NOx)

Front 25

What do cars & industries produce, in addition to carbon dioxide & water?

Back 25

Nitrogen oxides (NOx)

Front 26

What form of phosphorus do plants need?

Back 26

phosphate, PO4^ -3 ion

Front 27

What is the gaseous component of the water cycle?

Back 27

water vapor

Front 28

Where do we get phosphates?

Back 28

Only a few mines around the world and guano islands

Front 29

How dependent are we on phosphates?

Back 29

Extremely. Plants don't grow without it. When it runs into ocean, we can't get it out easily.

Front 30

Coal (concentrated plants) & oil (concentrated plankton) are major components of which cycle?

Back 30

carbon