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Environmental Science Final Exam Broward College EVR 1001 UPDATED Actual Exam Questions and CORRECT Answers $9.49
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Environmental Science Final Exam Broward College EVR 1001 UPDATED Actual Exam Questions and CORRECT Answers
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Environmental Science Final Exam Broward College EVR 1001 UPDATED Actual Exam Questions and CORRECT Answers What does biodegradable mean? - CORRECT ANSWER- Substance or object capable of being decomposed by bacteria or other living organisms. What is soil? - CORRECT ANSWER- A complex mixt...

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  • September 21, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • environmental science
  • environmental science final exam broward college
  • environmental science final exam
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Environmental Science Final Exam
Broward College EVR 1001 UPDATED
Actual Exam Questions and CORRECT
Answers
What does biodegradable mean? - CORRECT ANSWER✔✔- Substance or object capable of
being decomposed by bacteria or other living organisms.


What is soil? - CORRECT ANSWER✔✔- A complex mixture of eroded rock, mineral
nutrients, decaying organic matter, water, air, and billions of living organisms


What are soil horizons? - CORRECT ANSWER✔✔- Horizontal zones that make up a
mature soil. Each soil has a distinct texture and composition that varies with different types of
soils.


What are the soil horizons? - CORRECT ANSWER✔✔- 1. O horizon: (Surface litter layer)
freshly fallen leaves, twigs, animal waste, fungi, & other animals.


2. A horizon: (Topsoil) porous mix of organic matter called humus & some inorganic mineral
particles. Darker and looser than deeper layers.


3. B horizon: (Subsoil) Contains inorganic minerals, iron, aluminum, & clay from above
horizons.


4. C horizon: (Weathered Parent material) partially broken down inorganic minerals lying on
unweathered bedrock/parent material.


**Most of the soil's organic matter is in the O and A horizon.


What are the soil textures? - CORRECT ANSWER✔✔- 1. Sand = medium sized particles


2. Silt = fine particles

,3. Clay = very fine particles


4. Gravel = coarse particles


What is soil erosion? - CORRECT ANSWER✔✔- movement of soil components (especially
the litter & topsoil) from one place to another.


What is soil conservation? - CORRECT ANSWER✔✔- Various methods used to reduce soil
erosion, most of which involve keeping the soil covered with vegetation.


What are the two main agents of soil erosion? - CORRECT ANSWER✔✔- Flowing Water &
Wind


What is the Law of conservation of matter? - CORRECT ANSWER✔✔- Matter can neither
be created or destroyed.
It can change various elements and compounds from one physical or chemical form to
another but in no change can we create or destroy any of the atoms involved.


What is physical change? - CORRECT ANSWER✔✔- Change in the size and shape with no
change in chemical composition.


What is chemical change? - CORRECT ANSWER✔✔- Chemical composition of elements
are altered but the same elements exist


What does biodiversity mean? - CORRECT ANSWER✔✔- The variety of life in the world
or in a particular habitat or ecosystem.


What is biological evolution? - CORRECT ANSWER✔✔- The process through which the
characteristics of organisms change over successive generations, by means of genetic
variation and natural selection. It is most commonly defined as "changes in gene frequencies
in populations."

, What are the different types biomes? (9) - CORRECT ANSWER✔✔- 1. Tundra
2.Boreal Forest (Northern Coniferous Forest)
3.Temperate Rain Forest
4.Temperate Deciduous Forest
5.Tropical Rain Forest
6.Mediterranean / Chaparral / Thorn Scrub
7. Grasslands
8.Savannas
9.Temperate Grasslands


(Deserts)


What are the 3 causes of wildlife extinction? - CORRECT ANSWER✔✔- - Local extinction.
- Biological extinction
- Ecological extinction.


What are endangered species? - CORRECT ANSWER✔✔- When a species has so few
individual survivors that the species could soon become extinct over all or most of its natural
range.


How does energy flow in a food chain? - CORRECT ANSWER✔✔- From bottom to the top.



What is environmental science? - CORRECT ANSWER✔✔- An interdisciplinary study,
combining ideas from natural science (biology, chemistry, geology, etc.) and social sciences
(economics, politics, ethics, etc.) to understand how nature works, how we are impacted by
nature, and how we impact nature.


What are estuaries? - CORRECT ANSWER✔✔- The tidal mouth of a large river, where the
tide meets the stream.


What are eukaryotes? - CORRECT ANSWER✔✔- Any organism whose cells contain a
nucleus and other organelles enclosed within membranes.

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