How would the introduction of another species of seed-eating ground finch to the island most likely influence the medium ground finch?

How would the introduction of another species of seed-eating ground finch to the island most likely influence the medium ground finch in the given situation? The medium ground finch would become a parasite of the introduced species. The finches would not compete, since they both eat seeds.

1. Which species of finch would be most likely to survive if the weather on the Galapagos Islands?
2. Which bird would most likely be able to survive on most of the Galapagos Islands?
3. How might an extended of drought influence the ground finch population?
4. How did the medium ground finch population change after the drought?
5. Which species of finch would most likely survive if the seeds in the Galapagos became larger and has heavier coverings?
6. Which finch would likely compete for food with the large tree finch?
7. How does being able to eat the larger harder seeds help the birds?
8. How might an evolutionary biologist explain why a species of birds has evolved a larger beak size?
9. Which is most likely explanation for the presence of 13 different finch species on the Galapagos Islands today?
10. How did finches with different beaks become different species?
11. How did the population of ground finches change because of environmental changes?
12. Why did the finch populations change from 1976 to 1978?
13. What keeps different species of finches from mating?
14. How is the finch population affected by a period of average rainfall?
15. What do you think caused the changes in finch population and average beak size during the period of abundant rain?

Which species of finch would be most likely to survive if the weather on the Galapagos Islands?

The major factor influencing survival of the medium ground finch is the weather, and thus the availability of food. The medium ground finch has a stubby beak and eats mostly seeds. Medium ground finches are variable in size and shape, which makes them a good subject for a study of evolution.

Which bird would most likely be able to survive on most of the Galapagos Islands?

One species of bird found in the Galapagos Islands is the medium ground finch. It is easier for most of the medium ground finches to pick up and crack open smaller seeds rather than larger seeds. When food is scarce, some of the birds have been observed eating larger seeds.

How might an extended of drought influence the ground finch population?

How might an extended period of drought influence the ground finch population? The birds with smaller beaks would be more numerous. The birds with larger beaks would be more numerous. ... Drought increases seed availability, and all ground finches would be more numerous.

How did the medium ground finch population change after the drought?

Because the drought reduced the number of seeds and finches with bigger beaks were able to eat the larger and harder seeds so more of them survived.

Which species of finch would most likely survive if the seeds in the Galapagos became larger and has heavier coverings?

Predict which species of finch would be most likely to survive if the weather on the Galapagos Islands gradually changed and the seeds available to the finches became larger with heavier coverings. Support your answer with an explanation. Answer: Large Ground Finches, because they have big, thick beaks.

Which finch would likely compete for food with the large tree finch?

Woodpecker finches and small tree finches are most likely to compete with large tree finches for food.

How does being able to eat the larger harder seeds help the birds?

How does being able to eat the larger harder seeds help the birds? ... They were therefore able to eat the large seeds and get enough food to survive, reproduce, and pass the trait of large beaks to the next generation.

How might an evolutionary biologist explain why a species of birds has evolved a larger beak size?

The ancestors of this bird species encountered a tree with larger than average sized seeds. They discovered that by stretching their beaks, the beaks would get longer, and this increase was passed on to their offspring. Over time, the bird beaks became larger.

Which is most likely explanation for the presence of 13 different finch species on the Galapagos Islands today?

Which is the most likely explanation for the presence of 13 different finch species on the Galapagos Islands today? Many years ago several different species of birds migrated to the islands and the 13 finch species that currently live there are the only species that survived.

How did finches with different beaks become different species?

He speculated that birds, resembling starlings, came to the Galapagos Islands by wind. ... In other words, beaks changed as the birds developed different tastes for fruits, seeds, or insects picked from the ground or cacti. Long, pointed beaks made some of them more fit for picking seeds out of cactus fruits.

How did the population of ground finches change because of environmental changes?

The Grants found that the offspring of the birds that survived the 1977 drought tended to be larger, with bigger beaks. So the adaptation to a changed environment led to a larger-beaked finch population in the following generation.

Why did the finch populations change from 1976 to 1978?

Finches of Daphne Major: A drought on the Galápagos island of Daphne Major in 1977 reduced the number of small seeds available to finches, causing many of the small-beaked finches to die. This caused an increase in the finches' average beak size between 1976 and 1978.

What keeps different species of finches from mating?

Song and appearance both play a role in keeping different species from mating. So when populations of the same species are separated, changes in these traits set the stage for the formation of new species. The Grants have shown that both geography and ecology are keys to the evolution of the Galápagos finches.

How is the finch population affected by a period of average rainfall?

The amount of rainfall has a large impact on the abundance and types of seeds that are available to be eaten by finches. In the process of natural selection, only the finches that are best adapted to the available seed types survive and have offspring. ) after one year has passed.

What do you think caused the changes in finch population and average beak size during the period of abundant rain?

Unusually heavy rainfall increased the abundance of small soft seeds and decreased the abundance of larger seeds. This would allow more finches with smaller beak depths to survive and reproduce, decreasing the mean beak depth of the population.