Exam 17: The Biosphere and Behavioural Ecology

After reading the paragraph below, answer the question that follows. Akiak is an Inuit fisherman. He noticed that on the coldest days of winter, which are below -30°C, the fish he catches from the Arctic Ocean are freezing as soon as he brings them to the surface. This seems puzzling, since these fish are known to produce antifreeze proteins. -Why are the fish freezing in air?

The learning that is limited to a specific time period in an animal's life that is generally irreversible is called

Many animals have complex cognitive abilities. One of these abilities which is discussed in this chapter is

The endocrine disrupters that are in birth control pills taken by humans can have an environmental impact by

Which of the following would represent an example of natural selection?

After reading the paragraph below, answer the question that follows. You are sitting in lecture trying to pay close attention to every word that your professor speaks. You understand that she is exceptionally intelligent and, after this course, you may never have another opportunity to hear her speak. Maddeningly, the person sitting beside you is biting their fingernails and the constant click-clicking noise is distracting you. Eventually though, you stop noticing and find that you can concentrate. Then, the person begins to crack their knuckles. -What type of learning response was at play when you stopped noticing the initial behaviour of fingernail biting?

Which of the following techniques was not used by Conservation biologists raising whooping cranes?

In an aquatic environment, the top 200 metres or so where light can penetrate is called the ________ zone.

What is DDT and why was it used?