Author Question: Which of the following represent ecosystems with high average annual net primary productivity? A) ... (Read 88 times)

a0266361136

  • Hero Member
  • *****
  • Posts: 538
Which of the following represent ecosystems with high average annual net primary productivity?
 
  A) Algal beds, reefs, tropical rain forests, swamps, and marshes
  B) Open ocean and continental shelves
  C) Boreal forest, temperate grasslands, and tropical dry deciduous forest
  D) Estuaries, tundra, lakes, and streams

Question 2

In the winter in North America, the common cold often shows
 
  A) high morbidity but low mortality.
  B) high morbidity and high mortality.
  C) low morbidity but high mortality.
  D) low morbidity and low mortality.



chinwesucks

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

For a complete list of videos, visit our video library