Respuesta :

The number of bushes would decrease, as the bird species would need to eat the berries off of the bush. The species would continue multiplying and eating on the food until there is none left, causing the species to have to migrate to a new area that satisfies there needs.

The cumulative effect of this entrance of the bird is that the number of bushes that make blue berries to decrease.

The bird is said to prefer blue berries. This means that as the bird gets into the area, the bird will selectively clear out the blue berry bushes that are found in that area.

As such, the cumulative effect of this entrance of the bird is that the number of bushes that make blue berries to decrease.

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