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Lunt's Ecology Practice Flashcards | StudBud
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Lunt's Ecology Practice
Lunt's Ecology Practice
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Practice questions for the Ecology Test
Flashcards
31 cards
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Practice quiz
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Questions
31
Answers
1
What is the MEASURE of the how tightly packed a population is?
Population Area
Population Clarity
Population Landscape
Population Density
2
What is biodiversity?
The flow of energy in a food chain
The number of biomes on Earth
The variety of life in an ecosystem
The types of weather in a region
3
What term describes an organism that
eats both plants and animals
?
Carnivore
Herbivore
Omnivore
Producer
4
Nitrogen Fixation is important because it:
Produces Oxygen
Makes nitrogen available to plants
Releases phosphorus
Creates food chains
5
The physical location that an organism lives
Pad
Crib
Habitat
Location
6
What defines a
tropical rainforest
Sparse plant life and dry soil
High biodiversity, consistent warmth, and high rainfall
Cold temperatures and low rainfall
Grass-covered plains with little rain
7
What happens to energy as it moves up trophic levels?
It stays the same
It increases
It decreases
It cycles back to producers
8
Which of the following is a
tertiary consumer
?
Snake
Grass
Rabbits
Hawk
9
What is SYMBIOSIS?
A greedy relationship
A distant relationship
A close relationship
A jealous relationship
10
A
keystone species
is important because
It maintains the stability of an ecosystem
It is the largest species
It is always a predator
It migrates the farthest
11
What is
primary succession
?
Development of life in a previously lifeless area
Growth of crops
A predator-prey relationship
Change in weather
12
Which Biome has the most diversity?
Temperate Forest
Taiga
Tropical Rainforest
Desert
13
What is
carrying capacity
?
The maximum number of organisms an ecosystem can support
The number of predators in an area
The speed a population grows
The population of herbivores
14
The struggle between individuals or populations for a limited resource.
Competition
Struggle
Fight
Argument
15
The living factors in an ecosystem
Biotic
Abiotic
Rebiotic
Unbiotic
16
Which word cannot be used to describe a PREDATOR?
Meat eater
Consumer
Herbivoire
Carnivoire
17
When an organism has adapted to fulfill a specific role in an ecosystem.
Profession
Job
Niche
Occupation
18
The best tool to show energy passing from ALL organisms in an ecosystem.
Food Store
Food Web
Food Chain
Food Line
19
What is the
first trophic level
in most food chains?
Secondary Consumers
Producers
Decomposers
Primary Consumers
20
How is
climate
best described?
Long-term patterns of temperature and rainfall
Daily rainfall
Sudden temperature changes
Average wind speeds
21
What is a
food web
?
A network of interconnected food chains
A list of omnivores
A map of rainfall patterns
A group of herbivores
22
What is a
producer
in an ecosystem?
A decomposer
An organism that makes its own food
An organism that consumes others
An omnivore
23
Which of the following is NOT one of the four ABIOTIC factors in an ecosystem?
Soil
Plants
Water
Light
24
A group of the same species living in the same area
Density
Family
Species
Population
25
Which is an example of a
decomposer
?
Fungus
Grasshopper
Squirrel
Grasshopper
26
Which of the following is the best definition of an ESTUARY?
Starting area of a stream
Lower end of a river that leads to ocean
The deepest part of the ocean
Lower end of ocean that leads to a river
27
Which of the following is an example of PARASITISM?
A vulture eats the remains of food after a lion
A bee drinks nectar and brings pollen to another plant
A hawk eats a fish
A tick drinks blood from a dog
28
Which of the following is an example of COMMENSALISM?
A bee drinks nectar and brings pollen to another plant
A tick drinks blood from a dog
A hawk eats a fish
A vulture eats the remains of food after a lion
29
Which of the following is an example of MUTUALISM?
A hawk eats a fish
A vulture eats the remains of food after a lion
A bee drinks nectar and brings pollen to another plant
A tick drinks blood from a dog
30
Which biome is known for
less than 25 cm of rainfall
annually?
Desert
Estuary
Tropical Rainforest
Temperate Grassland
31
What is the study of interactions between organisms and their environment called?
Ecology
Biology
Psychology
Geology
