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Environmental Science Flashcards
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Environmental Science Flashcards
Environmental Science Flashcards
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1
Question
What is the definition of environment?
Page 1
Answer
Sum total of all living and non-living conditions within which an organism or community exists.
2
Question
What are the biotic components of the environment?
Page 1
Answer
Natural vegetation and animal life.
3
Question
What are the abiotic components of the environment?
Page 2
Answer
Location, topography, climate, size and shape of a country, minerals, soil.
4
Question
What is the atmosphere in the context of biosphere?
Page 2
Answer
Envelope of various gases around the Earth.
5
Question
What is the hydrosphere?
Page 2
Answer
Water content on the surface of the Earth.
6
Question
What is the lithosphere?
Page 2
Answer
Soil and rocks on the surface of the Earth.
7
Question
What is the biosphere?
Page 2
Answer
Combination of atmosphere, hydrosphere, and lithosphere where life exists.
8
Question
How is the biosphere a subset of the environment?
Page 2
Answer
Living beings interact with their surroundings in this zone.
9
Question
What is an ecosystem?
Page 2
Answer
Specific area with peculiar climate conditions and biodiversity where biotic and abiotic components interact, exchanging energy and materials.
10
Question
What is the study of ecosystems called?
Page 2
Answer
Ecology.
11
Question
What are natural ecosystems?
Page 2
Answer
Ecosystems with no or low human interference, existing naturally.
12
Question
What are artificial ecosystems?
Page 2
Answer
Ecosystems in man-made surroundings where human beings control survival.
13
Question
What are terrestrial ecosystems?
Page 2
Answer
Ecosystems existing on land.
14
Question
What are aquatic ecosystems?
Page 2
Answer
Ecosystems existing in water.
15
Question
What are tropical grasslands?
Page 3
Answer
Hot regions near the equator, like savannas in sub-Saharan Africa.
16
Question
What are temperate grasslands?
Page 3
Answer
Colder regions away from equator, like prairies in North America.
17
Question
What flora is typical in tropical savannas?
Page 3
Answer
Red oat grass and Rhodes grass.
18
Question
What fauna is found in African savannas?
Page 3
Answer
Zebras, wildebeest, gazelles, and giraffes.
19
Question
What human activities threaten grasslands?
Page 3
Answer
Farming, overgrazing, invasive species, illegal hunting, and climate change.
20
Question
What are the main types of deserts?
Page 4
Answer
Hot and dry/arid, semi-arid, coastal, and cold deserts.
21
Question
What is the Sahara Desert an example of?
Page 4
Answer
Hot and dry/arid desert.
22
Question
What is the Atacama Desert?
Page 4
Answer
Coastal desert in Chile, South America.
23
Question
What covers about one-fifth of Earth’s surface?
Page 4
Answer
Desert biome.
24
Question
How much rainfall do deserts usually get?
Page 4
Answer
At most 50 centimeters a year.
25
Question
What adaptations do desert plants have?
Page 4
Answer
Reduced or absent leaves; examples include cacti, saltbush, aloes, mesquite trees.
26
Question
What fauna lives in deserts?
Page 4
Answer
Kangaroo rats, jerboas, moloch lizards, camels.
27
Question
What defines rainforests?
Page 5
Answer
High annual rainfall over 180 cm and hot, moist climate with evergreen trees.
28
Question
What are tropical rainforests?
Page 5
Answer
Found near equator where it's warm; examples: Amazon, Congo.
29
Question
What are temperate rainforests?
Page 5
Answer
Near cooler coastal areas; found along western coasts of Americas and southeastern Australia.
30
Question
What flora is common in rainforests?
Page 5
Answer
Broad-leaved trees, climbers, orchids, mosses, ferns, lichens.