About this Study Set
This study set covers Environmental Science through
15 practice questions.
A rigorous examination of specific factual knowledge pertaining to animals, ecosystems, and environmental processes. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 15 questions from the
Advanced Environmental Science: Fauna and Flora Facts study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which marine mammal possesses the largest brain by mass, relative to its body size, among all animals?
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A
Sperm Whale
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B
Orca (Killer Whale)
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C
Bottlenose Dolphin
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D
Fin Whale
2
The Great Barrier Reef, the world's largest coral reef system, is primarily composed of which class of marine invertebrate?
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A
Mollusca
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B
Cnidaria
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C
Echinodermata
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D
Crustacea
3
What is the primary chemical compound that gives the Amazon rainforest its distinctive, earthy smell, particularly after rain?
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A
Isoprene
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B
Volatile Organic Compounds (VOCs)
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C
Geosmin
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D
Methane
4
Which plant species is known for its ability to fix atmospheric nitrogen into the soil through a symbiotic relationship with Rhizobium bacteria in its root nodules?
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A
Maize (Zea mays)
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B
Wheat (Triticum aestivum)
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C
Soybean (Glycine max)
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D
Rice (Oryza sativa)
5
The phenomenon of 'bioluminescent bays' is primarily caused by the presence of which type of microorganism?
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A
Cyanobacteria
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B
Dinoflagellates
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C
Diatoms
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D
Phytoplankton
6
What is the approximate percentage of Earth's total water that is freshwater, readily available for human consumption?
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A
71%
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B
2.5%
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C
10%
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D
0.5%
7
Which terrestrial ecosystem is characterized by permafrost, low precipitation, and extremely cold temperatures, supporting mosses, lichens, and dwarf shrubs?
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A
Temperate Rainforest
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B
Savanna
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C
Taiga (Boreal Forest)
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D
Tundra
8
The largest single-celled organism known is a species of slime mold called?
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A
Amoeba proteus
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B
Physarum polycephalum
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C
Paramecium caudatum
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D
Euglena gracilis
9
Which bird species has the longest known migratory journey, traveling from the Arctic to the Antarctic and back annually?
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A
Arctic Tern
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B
Wandering Albatross
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C
Bar-tailed Godwit
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D
Sooty Shearwater
10
The process by which plants absorb carbon dioxide from the atmosphere and convert it into organic compounds is called?
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A
Respiration
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B
Transpiration
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C
Photosynthesis
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D
Evaporation
11
What is the scientific term for the symbiotic relationship between fungi and plant roots, crucial for nutrient uptake?
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A
Lichens
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B
Mycorrhizae
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C
Endophytes
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D
Rhizosphere
12
Which of the following is the most abundant greenhouse gas in Earth's atmosphere, excluding water vapor?
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A
Methane (CH4)
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B
Nitrous Oxide (N2O)
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C
Carbon Dioxide (CO2)
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D
Ozone (O3)
13
The 'Ring of Fire' is a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur. This geological activity is primarily due to which process?
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A
Continental drift
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B
Plate tectonics
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C
Earth's magnetic field fluctuations
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D
Ocean currents
14
What is the specific term for the collective biomass of all organisms living in a particular habitat or region?
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A
Biome
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B
Habitat
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C
Ecosystem
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D
Biota
15
The process of biomagnification describes the increasing concentration of a substance, such as a toxic chemical, in organisms at successively higher levels in a food chain. Which class of chemicals is most notoriously known for this effect?
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A
Nitrates
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B
Phosphates
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C
Persistent Organic Pollutants (POPs)
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D
Heavy Metals
