Author Question: Which statement applies to resources from the sea? A) They are easier to recover than from the land. ... (Read 221 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
Which statement applies to resources from the sea?
 A) They are easier to recover than from the land.
  B) They are more difficult to locate and extract than resources on land.
  C) They are in greater variety than minerals on land.
  D) They are less expensive to recover than from land.

Question 2

Hydrothermal vents support a community of organisms including pogonophorans, clams, crabs, and worms, just to name a few. But hydrothermal vents are found in the deep-sea far from the photic zone. If no light reaches hydrothermal vents, what is the basis of the primary productivity that supports the community?



nixon_s

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

B

Answer to Question 2

Chemosynthetic microbes metabolize sulfur-containing compounds. Other organisms form symbiotic relationships with these microbes, or consume them.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

For a complete list of videos, visit our video library