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Ecology
Test Description: Test over standards 13-16
Instructions: Answer all questions to get your test result.
1) Some heterotrophs, such as paramecia, engulf algae and consume the food produced by the algae. The algae benefits by using the carbon dioxide produced by the paramecia. What is this relationship an example of?
A
Neutralism
B
Mutualism
C
Commensalism
D
Parasitism
2) Some plants provide a habitat for fungi in their roots. In turn, these fungi help the roots absorb inorganic elements from the soil. What is this relationship an example of?
A
Parasitism
B
Commensalism
C
Neutralism
D
Mutualism
3) How can the relationship between a butterfly and a flower lead to interdependency?
A
The benefits shared by both organisms may lead to Hardy-Weinberg equilibrium.
B
The benefits shared by both organisms may lead to specialized co-evolution.
C
The benefits gained by the butterfly may lead to convergent evolution in both organisms.
D
The benefits gained by the flower may lead to genetic equilibrium in both organisms.
4) Research shows that droughts in certain areas of Australia have been much worse since the vegetation in these regions was removed. Based on this research, which conclusion can be made concerning the role of producers in an ecosystem?
A
Producers help remove carbon dioxide from the atmosphere.
B
Producers help stabilize the climate changes in a region.
C
Producers provide oxygen for consumers in a region.
D
Producers provide shelter for consumers during climate changes.
5) According to scientists, which of these factors would be acted upon by natural selection?
A
frequency of alleles
B
behavior of an organism
C
alleles of a gene pool
D
genetic makeup of an organism
6) The effects of natural selection depend on which of these attributes?
A
recessive alleles
B
physical characteristics
C
dominant alleles
D
genetic characteristics
7) According to evolutionists, which of these is MOST needed in order for some species to overcome the constant changes to our planet?
A
unlimited space
B
healthy resources
C
healthy resources
D
large biodiversity
8) Which statement explains the connection between deforestation and biodiversity?
A
Deforestation has no affect on biodiversity.
B
Deforestation creates a larger biodiversity.
C
Deforestation allows the biodiversity to reestablish itself.
D
Deforestation decreases the biodiversity in the planet.
9) Assume that another ice age hit Earth. Which condition would MOST LIKELY ensure the greatest survival of organisms?
A
stable birth rate
B
stable mating rate
C
variety within species
D
variety within kingdoms
10) A species of mice that was once separated by a river has been reunited, centuries later, due to a newly constructed dam. How will these mice MOST LIKELY respond to being reunited after their prolonged geographic isolation?
A
They will create a predator-prey hierarchy.
B
They will develop a new breed of hybrid species.
C
They will remain reproductively independent.
D
They will reconnect as one population.
*select an answer for all questions
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