Biogeochemical Cycles
Presentation
•
Biology
•
9th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
HANNAH KATHERINE HOMOELLE
Used 126+ times
FREE Resource
12 Slides • 6 Questions
1
By Hannah Homoelle
2
Open Ended
Half of all lakes and rivers in Minnesota are unsafe for swimming according to a 2010 study. What might be polluting these waterways?
3
I can model how nutrient cycles affect ecosystems.
Notes
Nitrogen Cycle Game
Video
Independent Practice
Agenda
Todays Goals
Some text here about the topic of discussion
4
5
6
7
Multiple Choice
What is the term for when nutrients are turned into forms usable by most plants and animals?
bacteria
biogeochemical cycle
fixation
disruption
8
Open Ended
Why do farmers use fertilizer?
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10
11
Multiple Select
Select 2 types of organisms that do most nitrogen fixation.
animals
bacteria
bean plants
trees
12
13
14
Open Ended
Why doesn't fertilizer stay on the fields where it is spread?
15
16
Multiple Choice
How does excess nitrogen and phosphorus affect aquatic ecosystems?
harms them by growing more algae
helps them by growing more algae
helps them by increasing oxygen
harms them by decreasing carbon
17
Runoff - water moves toward rivers, groundwater and eventually the ocean after it rains
18
By Hannah Homoelle
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