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WorksheetsUnit 2 Study
Total questions: 23
Worksheet time: 12hrs 30mins
Rain carries soil into a nearby pond. This is an interaction between which two "spheres" of the earth?
Hydrosphere & Atmosphere
Atmosphere & Biosphere
Geosphere & Hydrosphere
Atmosphere & Geosphere
The unique role a species plays in its environment is its __________________.
abiotic factor
niche
trophic level
community
Many species together in one place are called ______________________.
a niche
a community
a population
mutualism
Which level of an energy pyramid is most likely to have the highest number of organisms?
Producers
Primary consumers
Secondary consumers
Tertiary consumers
Two types of organisms consume dead and decaying matter. The difference between these two types of organisms is that ______________ are consumers that feed on dead animals, while ______________ break down plants and animals into simpler molecules.
decomposers; producers
scavengers; decomposers
producers; decomposers
decomposers; scavengers
We know that energy from the sun is transferred into an organism because of __________________.
the first law of thermodynamics
the second law of thermodynamics
the third law of thermodynamics
A coral snake is venomous while its mimic, the scarlet king snake, is not. This is an example of _________________.
mullerian mimicry
chemical mimicry
malthusian mimicry
batesian mimicry
The viceroy butterfly and the monarch butterfly look very similar. Both are distasteful to predators. This is an example of ________________.
mullerian mimicry
chemical mimicry
malthusian mimicry
batesian mimicry
A tiny filter-feeding barnacle sticks to a whale. The whale is unaffected by this new stowaway. What type of relationship is this?
mutualism
commensalism
amensalism
neutralism
parasitism
Cowbirds are known to lay their eggs in the nests of other birds. Mother birds will feed the new chicks and their own, which sometimes means not every chick gets enough food. This is an example of ____________.
mutualism
commensalism
amensalism
neutralism
parasitism
Which sphere of the earth is named using the Greek root meaning "ground"?
Hydrosphere
Atmosphere
Biosphere
Geosphere
Which of these is not an example of an abiotic factor?
soil
temperature
bacteria
rainfall
Which kind of niche takes competition between organisms into account?
Realized
Unique
Fundamental
Competitive
How much chemical energy is transferred from the producer level to the secondary consumer level in a food chain?
1/10
1/20
1/100
1/1000
Organisms that eat both plants and meat are called ______________.
omnivores
herbivores
autotrophs
carnivores
Which is not true about food webs?
Food webs show the transfer of energy among organisms
Food webs are more accurate than food chains
Food webs are simpler than food chains
Food webs contain decomposers and scavengers throughout
In this picture, the holly leaf miner is a ________________.
first-level or primary consumer
second-level or secondary consumer
third-level or tertiary consumer
producer
What are the categories of living things from smallest to largest, beginning with an individual organism and ending with the biosphere.
Individual Organism → Species → Population → Community → Ecosystem → Biome → Biosphere
Cell → Tissue → Organ → Organ System → Organism → Biosphere
Population → Ecosystem → Community → Organism → Biosphere
Population → Ecosystem → Community → Organism → Biosphere
What is a fundamental niche?
The role an organism can have when other species are competing with it.
The specific habitat where an organism is found.
The full role an organism/species can have without competition.
The food an organism eats within its environment.
What is a realized niche?
The role an organism can have when other species are competing with it.
The specific habitat where an organism is found.
The full role an organism/species can have without competition.
The food an organism eats within its environment.
What is an example of mutualism?
Bees pollinating flowers while collecting nectar
A tick feeding on a dog’s blood
Lions hunting and eating a zebra
Barnacles attaching to a whale without harming it
What is an example of commensalism?
A tapeworm living inside a human intestine
Bees pollinating flowers while collecting nectar
Barnacles attaching to a whale without harming it
Wolves hunting together to take down prey
What is an example of parasitism?
A tapeworm living inside a human intestine
Clownfish living among sea anemone tentacles for protection
Barnacles attaching to a whale without harming it
Birds eating insects stirred up by grazing cattle
