2.13: Flow of Matter in Ecosystems
Presentation
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Science
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8th Grade
•
Medium
+1
Standards-aligned
Nancy Osborne
Used 26+ times
FREE Resource
15 Slides • 6 Questions
1
2
Multiple Choice
Precipitation and evaporation are important components of the
nitrogen cycle.
water cycle.
carbon cycle
warming cycle.
3
Multiple Choice
An aquatic food web consists of phytoplankton → krill → seals → sharks. The removal of which component is MOST LIKELY to cause an immediate impact on the food web?
seals
sharks
phytoplankton
krill
4
5
6
7
8
Multiple Choice
The movement of water up plants and its subsequent loss as water vapour from their leaves
interception
transpiration
infiltration
precipitation
9
10
11
Multiple Choice
Living organisms need Nitrogen to make which of the following?
Glucose
Proteins
Sunlight
Ultraviolet Radiation
12
Multiple Choice
How do animals and humans get their nitrogen that they need?
They use their lungs to breathe it out of the air
They have to eat plants to get it
They absorb it from the soil
They get it by eating the soil bacteria
13
14
15
16
Multiple Choice
The burning of fossil fuels by cars and factories has most affected the ______________ cycle.
carbon
phosphorous
nitrogen
water
17
18
19
20
21
Remember, there will still be assignments in the OMS tomorrow even though CC sessions are optional for some of you!!! The assignments include:
Weekly Wrap-up #5
EdPuzzle: Amoeba Sisters - Biogeochemical Cycles
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