What most likely caused the finches on the Galapagos Islands to have beaks that
were different from the finches living on the South American mainland?
Responses
The finches on the islands had to drink salt water.
The finches on the islands had to drink salt water.
There were different types of predators living on the island.
There were different types of predators living on the island.
The finches on the mainland built different types of nests.
The finches on the mainland built different types of nests.
There were different types of food available on the island.
There were different types of food available on the island.
Correct response: There were different types of food available on the island.
Classify the following as positive or negative effects of ecosystem flooding.
Positive Negative
Pesticides and fertilizes enter the flood water from the surrounding area.
Positive – Pesticides and fertilizes enter the flood water from the surrounding area.
Negative – Pesticides and fertilizes enter the flood water from the surrounding area.
Flood waters contain silt and the soil becomes more fertile.
Positive – Flood waters contain silt and the soil becomes more fertile.
Negative – Flood waters contain silt and the soil becomes more fertile.
Small burrowing organisms lose their homes due to flood waters.
Positive – Small burrowing organisms lose their homes due to flood waters.
Negative – Small burrowing organisms lose their homes due to flood waters.
Invasive plants and species may enter the area from the flood waters.
Positive – Invasive plants and species may enter the area from the flood waters.
Negative – Invasive plants and species may enter the area from the flood waters.
Positive – Flood waters contain silt and the soil becomes more fertile.
Negative – Pesticides and fertilizes enter the flood water from the surrounding area.
Negative – Small burrowing organisms lose their homes due to flood waters.
Negative – Invasive plants and species may enter the area from the flood waters.