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Ecosystems Flashcards | StudBud
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Ecosystems
Ecosystems
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Flashcards
22 cards
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Practice quiz
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Questions
22
Answers
1
Which is an abiotic factor in the ecosystem?
Sturgeon
Dolphins
algae
Seawater
2
A rock can scratch apatite but not orthoclase. Its hardness is probably--
7
5.5
4.3
6.1
3
The wolves and grasses represent what level of organization within the ecosystem?
Producers
Population
Ecosystems
Community
4
When you kill off the bugs in a field by using pesticide, what happens next?
Producers don't get as much sunlight
The air gets polluted
The grasses the insects used to eat grow taller
More mice that ate the insects
5
Choose the levels of organization in an ecosystem from smallest to largest
Organism, community, population, ecosystem
Ecosystem, community, population, organism
Community, population, organism, ecosystem
Organism, population, community, ecosystem
6
All organisms in Kingdom plantae--
Are unicellular
Have chloroplasts and cell walls
Are heterotrophs
are prokaryotes
7
The US will probably explore space in the near future by--
By studying the moon with a telescope
By sending spacecraft to Mars
By taking a rocket ship to a distant galaxy
building cities on the Moon
8
Which is a biotic factor?
Oxygen
Rocks
Fish
Water
9
All cells have--
Nuclei and chromosomes
DNA and chloroplasts
Cell walls and membrane-bound organelles
Cell membranes and cytoplasm
10
Heat will transfer by conduction--
From sample 3 to 1 and 1 to 2
From sample 3 to 1
From sample2 to 1 and 3
From sample 1 to sample 2
11
A student looks at soil under a microscope, sees unicellular organisms. What is true of them?
They are in different domains
They have similar biotic and abiotic needs
They are autotrophs
They are in different kingdoms
12
An autotrophic organism is in Kingdom -
Protista
Archaea
Plantae
Eukarya
13
Look at the diagram of a pond ecosystem. Which of the following represents a population?
all the fish in the pond
a single snake
The turtles
Frogs and lilypads
14
In a drought, what happens to the animals?
Populations of predators would increase
Populations that make up the savannah would move away or die
Plants would die, animals would die
Grasses thrive in dry conditions
15
In the community shown, the reindeer represent what level of organization within the ecosystem?
Producers
Consumers
Individual
Ecosystems
16
Identify the interaction between a biotic and abiotic factor in an ecosystem.
The turtle sits on a log
The frog eats insects
The deer drinks water
Gas bubbles in the pond
17
Trout thrive in 15 degree C water. How much cooler would an 18 degree river need be?
5 degrees
2 degrees
3 degrees
4 degrees
18
Which of the following represents a single zebra in the herd of zebras shown?
A population in a community
A community in an ecosystem
An organism in a population
An ecosystem in a biome
19
An abiotic factor limiting animal populations is
Predators
Bacteria
Plants
Size of habitat
20
For an organism to live in an area, what is required?
Its needs must be met by biotic and abiotic factors
Its needs must be met by abiotic factors in the habitat
Its needs must be met by other populations of organisms
Its needs must be met by biotic factors in the habitat
21
Identify the biotic component
Water
Rainfall
Grass
Solar radiation
22
Identify the abiotic component
Frog
Lilypads
Deer
Water
