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8th Grade Chapter 19 Quiz Biomes and Ecosystems Flashcards | StudBud
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8th Grade Chapter 19 Quiz Biomes and Ecosystems
8th Grade Chapter 19 Quiz Biomes and Ecosystems
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Biomes and Ecosystems
Flashcards
32 cards
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Questions
32
Answers
1
Which land biome covers the most surface area on Earth?
grassland
temperate deciduous forest
desert
taiga
2
On the coral reef ecosystem figure shown, which factor is abiotic?
algae
sponges
rock
sharks
3
What is the biome pictured?
tundra
deciduous forest
grassland
taiga
4
What does the prefix "photo" mean in the word photosynthesis?
living
primary
light
image
5
Water is ______.
abiotic
biotic
6
latitudes just south of the north pole
tundra
temperate rain forest
grassland
temperate deciduous forest
7
Climate is _____.
abiotic
biotic
8
The process of an ecological community gradually changing to another is which of the following?
ecological succession
ecological replacement
community replacement
community succession
9
populated by moose, bears, lynx, shrews, foxes
desert
taiga
tropical rain forest
grassland
10
near the equator
taiga
desert
tropical rain forest
grassland
11
When a Gila monster uses a rock for shade from the noonday sun, it is interacting with ____.
an abiotic factor
another organism
its community
an ecosystem
12
savannas of Africa
desert
taiga
tropical rain forest
grassland
13
(less rain→fewer flowers→fewer insects→fewer frogs→fewer birds) Which factor is Abiotic?
birds
flowers
insects
rainfall
14
Wetlands contain which of the following?
only freshwater
only saltwater
very little nutrients
either freshwater or saltwater
15
When freshwater ecosystems change, which is the final result?
an estuary
a freshwater ecosystem
a saltwater ecosystem
a land ecosystem
16
Fungi is _____.
abiotic
biotic
17
Decaying organisms fall to the bottom of a pond, lake, or wetland
eutrophication
decay supplementation
oxygenation
nitrification
18
Sunlight is ______.
biotic
abiotic
19
On the coral reef ecosystem figure 2.2 shown, which factor is biotic?
water
seahorse
sand
rocks
20
Which of the following is a biotic factor?
worms
water
sunlight
climate
21
As eutrophication occurs, populations of algae grow. How does this speed up succession?
Algae use water's oxygen, the fish die/decay adding to soil
Presence of algae encourages sediment to drop from streams
Growth of algae causes pollution near the water to increase
Algae produces oxygen in the water that the fish die
22
If an existing ecosystem is destroyed, _______.
secondary succession occurs
a different type of biome emerges
primary succession occurs
a climax community comes into existence
23
In the open ocean, where does photosynthesis take place?
in all the zones
frome the surface to 200m
from 1,000m to the depth of the ocean floor
from 200m to 1,000m
24
dominant plants lose their leaves every autumn
grassland
temperate deciduous forest
tundra
temperate rain forest
25
What does the prefix "bio" mean in the words biology and biotic?
life
people
science
animals
26
As plants in a climax community die, _______?
they are replaced by plants of a different species
no plants grow in their place
they are replaced by plants of the same species
they are replaced by some of the same and some different
27
Which graph represents the weather pattern of a temperate rain forest?
C. Upper Right
A. Upper Left
B. Bottom Left
D. Bottom Right
28
In which biome does drilling for oil and gas interrupt migration patterns?
grassland
desert
taiga
tundra
29
rainwater drains away quickly because of porous soil
taiga
tropical rain forest
grassland
desert
30
Bacteria is ______.
abiotic
biotic
31
What are coral reefs?
a large group of colorful rocks
outside skeletons of tiny, soft-bodied animals
plants that grow in large groups
deposits of bones from dead fish
32
dominant plants are firs, spruces, and cedars that grow very high
tundra
temperate rain forest
grassland
temperate deciduous forest