CYCLES OF NATURE IN I.M.-KINGSFORD (0R YOUR FAVORITE HANGOUT)
WATER CYCLE
PRECIPITATION (RED)
CONDENSATION (GRAY)
SURFACE WATER (BLUE)
EVAPORATION (ORANGE)
TRANSPIRATION (YELLOW)
INFILTRATION/LEECHING (GREEN)
GROUND WATER (GREEN)
RUNOFF (BLUE)
CARBON-OXYGEN CYCLE
PHOTOSYNTHESIS (GREEN)
RESPIRATION (RED)
CARBON DIOXIDE (BLACK)
OXYGEN (BLUE)
COMBUSTION (RED)
DECOMPOSITION (ORANGE)
WATER (BLUE)
SUN (YELLOW)
NITROGEN CYCLE
ANIMAL PROTEIN
PLANT PROTEIN
NITROGEN GAS (AIR)
NITROGEN FIXERS
NITRATES DECOMPOSERS
For each of these cycles, create a drawing of someplace you are familiar with—some place you can
see in your mind when you close your eyes. Using the appropriate colors (where indicated) and
labels, create your drawings on unlined computer paper. Turn in with the attached review sheet.
ABIOTIC CYCLES
NAME________________________
ANSWER THE FOLLOWING QUESTIONS ABOUT ABIOTIC CYCLES AS THEY ARE DISCUSSED IN CLASS.
1)
What does abiotic mean?
2)
What is the main difference between energy and matter in ecosystems?
3)
Why is it important to understand how abiotic cycles of matter work?
4)
What is the role of decomposers in abiotic cycles?
5)
Describe the carbon dioxide-oxygen cycle and include the role of plants and animals in your
description. How have plants and animals altered the amounts of carbon dioxide and oxygen
throughout their existence?
6)
Write the reaction for photosynthesis and respiration.
7)
How has the industrial revolution affected the carbon dioxide-oxygen cycle?
8)
Why is carbon dioxide considered to be a “greenhouse” gas? What are 2 things you could do to
reduce the production of greenhouse gases?
9)
What do decomposers release when they decompose dead plant and animal matter?
10)
Where is carbon found in ecosystems?
11)
Describe the following three processes in the water cycle:
a.
evaporation--
b.
precipitation—
c.
transpiration--
12)
About how long can it take a water molecule that falls on land to complete the water cycle?
13)
What is an aquifer?
14)
What is a water-shed?
15)
What is an artesian well?
16)
What percentage of the atmosphere is nitrogen?
17)
What do plants need nitrogen for?
18)
Explain the role of nitrogen-fixing bacteria like Ryzobium in the soil and in legumes.
19)
What is denitrification?
20)
What do decomposers do in the nitrogen cycle?