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Use the following information to answer the following questions.There are many diseases of the digestive system. Sjögren’s syndrome is an autoimmune disease that destroys tear ducts and salivary glands. In megaesophagus, peristalsis fails to occur properly and the esophagus is enlarged. In achlorhydria (also called “hypochlorhydria”) production of gastric acid is absent or low. When a person has diverticulitis, feces are trapped in small pouches of the large intestine, and cause infection. Infected portions of the large intestine can swell and block the large intestine. In exocrine pancreatic insufficiency, there is a progressive loss of pancreatic cells that make digestive enzymes. In gallstone cholestasis, bile cannot flow from the liver to the duodenum.Exocrine pancreatic insufficiency would show symptoms most similar to ________.

To allow rapid diffusion between the body and the environment, gas exchange requires a surface that is both ________.

Herbivory is an example of a ________ interaction.

Kudzu, an Asian vine introduced to the United States in the 1930s as a means to control erosion, is referred to as “the plant that ate the South” because it grows alarmingly fast and overtakes most plant species in its path. A recent and unusual way that some people are using to control kudzu growth is to allow goats to graze their land and eat the kudzu, roots and all. This is considered by some to be the most environment-friendly way to eliminate this invasive vine. How can we best describe the goats in this situation?

All but one of these are causes for increasing carbon dioxide levels. Choose the EXCEPTION.

With regard to nutrient pollution in aquatic ecosystems, when is the worst time to apply fertilizer to your lawn?

An effect of deforestation has been to ________.

The figure below shows the growth curves of two populations of Paramecium, P. aurelia and P. caudatum. From the data, we can conclude that ________.

________ are an example of an invasive species.

Why are most food chains limited to three to five trophic levels?