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Ch. 6 Biomes & Aquatic Ecosystems Flashcards | StudBud
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Ch. 6 Biomes & Aquatic Ecosystems
Ch. 6 Biomes & Aquatic Ecosystems
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Ch. 6 Biomes & Aquatic Ecosystems
Flashcards
28 cards
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Questions
28
Answers
1
An adaptation of animals in biomes with low precipitation
estivation
dormancy
deciduous
hibernation
2
What is the difference between swamps and freshwater marshes?
Swamps have shrubs and trees, marshes have mostly grasses
Swamps have more wildlife than marshes
Swamps have saltwater, marshes are in freshwater
Swamps have deep water, but marshes have shallow water
3
Day to day conditions in earth's atmosphere, ie., "hot & humid"
climatograph
weather
biome
climate
4
Warm and wet biomes have the lowest net primary production.
True
False
5
Ecologists use broad classifications to classify ecosystems called
biomes
benthic zones
litteral zones
estuaries
6
Which terms best describes conditions in area A (solid line=precipitation/dashed line=temp?)
dry
cold & dry
hot & humid
hot
7
Most trees in tropical dry forests are ____________________; they lose leaves seasonally.
coniferous
deciduous
8
In aquatic ecosystems, net primary productivity is related to
waves and tides
the speed at which the water moves
available sunlight and nutrients
whether the water is fresh water or salt water
9
Which biome would have the lowest net primary production
temperate grassland
tropical rainforest
coral reef
desert
10
How are aquatic ecosystems classified?
salinity
depth
movement of water
all of these
11
The rate at which plants and algae convert solar or chemical energy into stored chemical energy
salinity
estivation
natural selection
gross primary production
12
Salinity, depth, and whether the water is flowing or standing are used by scientists to
classify aquatic ecosystems
measure net primary productivity in lakes
distinguish aquatic ecosystems from terrestrial ecosystems
determine the number of species in a body of water
13
How are terrestrial biomes classified?
climate
elevation
Both A & B
flora & fauna
14
Rivers and streams are types of standing freshwater ecosystems
False
True
15
To survive in the tundra animals like caribou might have which of the following adaptations?
a diet that consists mostly of deciduous tree leaves
the ability to hibernate
thin coats of fur to prevent overheating
wide hooves for travel on mud and snow
16
What are 2 ways a river ecosystem varies from source (beginning) to its mouth (end)
oxygen content
tides
speed
weather
17
Term used to describe water that has more salt than freshwater, but less salt than ocean water
aphotic
littoral
photic
brackish
18
Which biome would have the greatest net primary production?
savannah
coral reef
boreal forest
desert
19
What is the term for the vertical flow of cold, nutrient rich water
none of these
upwelling
limnetic
littoral
20
Why do shorter trees and plants in the understory have broad, flat leaves?
protection from predators
shade
habitat
to maximize sunlight absorption
21
What percent of earth is covered in water?
75%
about 90%
40%
85%
22
A type of large brown algae that grows from the ocean floor of continental shelves
chiton
kelp
coral
phytoplankton
23
In temperate rain forests, trees that do not lose their leaves annually are called
chaparral
deciduous
succulent
coniferous
24
Zones that are shared by all marine and freshwater biomes are
none of these
intertidal, neritic & open
littoral & limnetic
photic, aphotic & benthic
25
In which ocean zones do crabs, mussels, anemone, barnacles, and sea stars live?
open ocean
intertidal
aphotic
neritic
26
Which zone of an aquatic ecosystem tends to have the highest temperatures?
all are about the same
benthic
photic
aphotic
27
Photosynthesis by aquatic plants and phytoplankton is
mostly
limited by the available oxygen
True
False
28
Weather is the average temperature and precipitation over long periods in a given area.
True
False