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Ecology Quiz 2 Review 2021 Flashcards | StudBud
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Ecology Quiz 2 Review 2021
Ecology Quiz 2 Review 2021
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9th grade Biology ecology quiz 2 review
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
Which of the following gasses is NOT considered a greenhouse gas?
Methane
Nitrous oxide
Carbon dioxide
Oxygen
2
What is the current world population?
7.9 Thousand
7.9 Billion
7.9 Million
7.9 Trillion
3
What often happens to chemicals that are found in the lower trophic levels of the food chain?
They decrease down the food chain
They always make mutations and franken-organisms.
They build up and increase across the food chain
They are not relevant in biology
4
Which of the following is NOT a way that pollutants can work their way into our surface waters?
Surface runoff
Evaporation
Groundwater flow
Direct precipitation
5
The warming trend of the Earth due to greenhouse gases, pollution, and atmospheric changes is known as:
Nutrient Cycling
Global Warming
Global Climate Change
Global Lies
6
How do carbon and nitrogen make their way into the bodies of organisms to continue the nutrient cycles?
They magically appear, presto chango!
They are absorbed from the soil.
They are consumed in plant material.
They are breathed in.
7
Which of the following is NOT seen as a contribution to ocean acidification?
Vehicle Exhaust
Forrest Fires
Factory Emissions
Photosynthesis
8
What unit is the current U.S. population measured in?
Trillions
Thousands
Millions
Billions
9
What is the current trend in Methane levels in Earth's atmosphere?
Methane is increasing to record highs levels.
Methane levels are decreasing to record lows.
Methane levels are staying the same.
Methane is always just going up and down.
10
What do we call the build up of chemicals across the food chain?
Bioradification
Tasty...
Biomagnification
NOT cool...
11
Which nutrient cycle involves the most important molecule to organic matter and how it is used?
Nitrogen Cycle
Carbon Cycle
Water Cycle
Phosphorous Cycle
12
Which of the following is NOT an example of a molecule that can lead to biomagnification issues in an ocean ecosystem?
DDT used in pest control
Mercury used in industry
Birth control and other medications that get into water supply
Salt
13
What does the age structure diagram below tell us about the population of Singapore?
The population has experience a lot of immigration.
The population is growing quickly
The population is shrinking
The population is staying the same
14
Based on the previous question, which trophic level is most impacted by biomagification?
Producers
Primary consumers
Secondary consumers
Tertiary consumers
15
What does the age structure diagram below tell us about the population of Mexico?
The population has experience a lot of immigration.
The population is staying the same
The population is growing quickly
The population is shrinking
16
Long term change to Earth's environments that include warming temperatures and changes in precipitation and weather is:
Global Lies
Nutrient Cycling
Global Climate Change
Global Warming
17
Which nutrient cycle captures the most abundant gas in our atmosphere with the help of bacteria?
Phosphorous Cycle
Water Cycle
Carbon Cycle
Nitrogen Cycle
18
What would happen if we didn't have nitrifying bacteria in the soil?
Water reserves would increase
Nitrates would increase
Harmful ammonia would increase
Carbon dioxide would increase
19
Why is Carbon dioxide referred to as a greenhouse gas?
It thins the outer atmosphere layers
It is made of glass panes
It looks lovely in the spring
It can contribute the warming of the Earth
20
What is the current trend in CO2 levels in Earth's atmosphere?
CO2 levels are staying the same
CO2 is always just going up and down.
CO2 levels are decreasing to record lows.
CO2 levels are increasing to record high levels.
21
What do we call the effect on our oceans that decreases the ability of certain ocean life to build sturdy shells ?
ocean expansion
ocean warming
ocean emulsion
ocean acidification
22
Which of the following is NOT a way that can help filter out toxins from the water cycle?
Groundwater flow
Precipitation
Percolation
Surface runoff
23
What do we call the build up of chemicals in an organism over its lifetime?
Bioreduction
Bioaccumulation
Biomagnification
Bad luck...
24
Which of the following is NOT a part of the water cycle?
Evaportation
Ammoniafication
Transpiration
Percolation
25
Which of the following is NOT seen as a side effect of Global Climate Change?
Extreme weather/stoms
Increasing Oxygen Levels
Warming of oceans and surface
Forrest Fires
