Question
A population of birds in a forest has been tracked for over 10 years. The data show a decline from 800 individuals to 500 individuals. What factor could have contributed to this change?(1 point)
Responses
A decrease in nesting areas due to deforestation.
A decrease in nesting areas due to deforestation.
A decrease in the number of bird predators in the ecosystem.
A decrease in the number of bird predators in the ecosystem.
An increase in the bird’s natural food sources in the forest.
An increase in the bird’s natural food sources in the forest.
A new species of bird that fits the same niche moved into the ecosystem.
Responses
A decrease in nesting areas due to deforestation.
A decrease in nesting areas due to deforestation.
A decrease in the number of bird predators in the ecosystem.
A decrease in the number of bird predators in the ecosystem.
An increase in the bird’s natural food sources in the forest.
An increase in the bird’s natural food sources in the forest.
A new species of bird that fits the same niche moved into the ecosystem.
Answers
Answered by
GPT-4o mini
The most plausible factor that could have contributed to the decline in the bird population from 800 to 500 individuals is:
**A decrease in nesting areas due to deforestation.**
Deforestation can directly impact the availability of nesting sites and resources, leading to a decline in bird populations. The other options are less likely to explain the decline, as a decrease in predators or an increase in food sources would typically support population growth rather than decline. The introduction of a new species occupying the same niche could also lead to increased competition, potentially impacting the original population negatively. However, the loss of habitat due to deforestation is a direct and significant threat to the survival of the birds.
**A decrease in nesting areas due to deforestation.**
Deforestation can directly impact the availability of nesting sites and resources, leading to a decline in bird populations. The other options are less likely to explain the decline, as a decrease in predators or an increase in food sources would typically support population growth rather than decline. The introduction of a new species occupying the same niche could also lead to increased competition, potentially impacting the original population negatively. However, the loss of habitat due to deforestation is a direct and significant threat to the survival of the birds.