Birds Follow a Herd of Water Buffalo to Catch Insects

question 68

Multiple Choice

Birds follow a herd of water buffalo to catch insects that are disturbed as the large herbivores walk through the grass. When large predators are near, the birds fly into the air and make warning calls. Who are the birds warning?

• A) The water buffalo's prey, because they need to escape
• B) The predators, so they know their prey, the water buffalo, is near
• C) The water buffalo, so they can avoid attack
• D) Their competitors
• E) Other birds, who also catch insects stirred up by the water buffalo

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Definitions:

Chemical Signals

Molecules released by cells that act as messengers, influencing the behavior or physiology of other cells.

Gonadotropin-releasing Hormone

A hormone responsible for the release of follicle-stimulating hormone and luteinizing hormone from the anterior pituitary.

Testosterone

A steroid hormone that promotes the development and maintenance of male sex characteristics.

Hormone

A chemical substance produced in the body that controls and regulates the activity of certain cells or organs.