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U5 / U6 FINAL REVIEW 2023 Flashcards | StudBud
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U5 / U6 FINAL REVIEW 2023
U5 / U6 FINAL REVIEW 2023
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1
Albedo effect
the amount of Sun's rays absorbed in the Earth's surface
the amount a surface reflects the Sun's rays back into space
amount of Sun's rays hitting the Earth's surface
amount of Sun's rays being reflected on to Earth's surface
2
Antarctica has a high albedo
False
True
3
What causes climate change?
The amount of carbon dioxide in the atmosphere
The amount of clouds in the sky
The amount of trees in the forest
The amount of people on Earth
4
More abiotic factors =
less consumers
less biotic factors
less producers
more producers
5
How will climate change affect the planet?
Shrinking sea ice
More rainfall
Rising sea levels
Changing seasons
6
In a negative feedback loop, the response:
Counteracts the stimulus
Promotes the stimulus
Does not impact the stimulus
7
What is a Biome?
A region with particular prevaling weather conditions
A region with a politcial organization orgainzing it.
A region of Earth that has a certain climate + living things
A part of earth with sack lunches
8
You are growing plants with different amounts of fertilizer. Which could be a constant?
4 scoops of Fertilzer
1 scoop of fertilizer
No fertilizer
Type of Fertilizer
9
What is the dependent variable?
Number of Students
Favorite Activity
10
What is the independent variable?
amount of sunlight
temperature of water
number of tadpoles
water pH
11
The reactants of photosynthesis are light plus…
Water and carbon dioxide
Glucose and oxygen
Glucose and carbon dioxide
Oxygen and carbon dioxide
12
How does energy enter ecosystems / biomes?
through photosynthesis
by wind bringing heat
by animals eating plants
through minerals
13
Which variable should you manipulate and change in an experiment?
Constant
Control
Dependent variable
Independent Variable
14
The purpose of photosynthesis is to
Transform light energy to chemical energy
Make carbon dioxide
Keep animals alive
Produce oxygen
15
A positive feedback loop ______________________.
decreases a change to a system
stabilizes a system
always results in a beneficial change to a system
increases a change to a system
16
Which of the following has the lowest albedo?
Sea Ice
Sea Water
Land Ice
Clouds
17
According to NASA, carbon dioxide levels in the atmosphere are higher now than at any other time in the past 800yrs.
False
True
18
What abiotic factors determine where a certain biome is located?
Nutrients / Water
Minerals / oxygen
Amount of carbon dioxide / Water
Water / Amount of Sunlight
19
What is the dependent variable?
Bear Population
Years
20
According to NASA, the amount of sea ice covering the Arctic has remianed constant over the last few decades.
True
False
21
Which biome is found at high pressure zones?
Desert
Taiga
Temperature Deciduous Forest
Rainforest
22
Oxygen and Glucose are the _________________ of photosynthesis.
Products
Reactants
23
True or False: According to NASA, carbon dioxide in the atmosphere has increased over the last 20 years.
True
False
24
Carbon dioxide and producers represent a negative feedback system.
False
True
25
True or False: According to NASA, since 1880, the global average temperature has not changed significantly.
False
True
