In Arizona, most birds gather in trees and bushes surrounding the few available rivers and streams. This behavior shows that Blank______.Multiple choice question.the birds need to migrate to locations where more water is availablethe birds have not adapted to the desert conditionsfreshwater ecosystems are important to the survival of some terrestrial speciesNeed help? Review these concept resources.

Multiple Choice QuestionA "walking" wetland describes the process where Blank______.Multiple choice question.farmers agree to flood fields on a rotating basis to provide habitat to waterfowlfluctuations in water demand cause occasional loss of wetland habitatschanging climate causes wetland habitats to migrate farther northNeed help? Review these concept resources.

10.  Classify the ecological interactions described:  The population of birds getting the same food in a small pond.

Ground finches with large bills are favored during times of drought, while ground finches with small bills are favored during times when water is abundant. This is an example of Blank______.Multiple choice question.diversifying selectionstabilizing selectionbalancing selectionoscillating selection

A bird population nested along the banks of a river and fed off fish. After new homes were built along the river, the bird population declined. A change to which limiting factor was most likely responsible? space water weather sunlight

The Grants were able to show that the depth of beak in finches was similar between parents and offspring Blank______.Multiple choice question.regardless of environmental conditionsonly during wet yearsfor the past several hundred yearsonly during very dry years