This topic contains a solution. Click here to go to the answer

Author Question: The relationship between the protistan zooxanthellae and the polyps of reef-building corals is best ... (Read 54 times)

humphriesbr@me.com

  • Hero Member
  • *****
  • Posts: 550
The relationship between the protistan zooxanthellae and the polyps of reef-building corals is best described as a/an ________.
 
  A) facultative ectoparasitism
  B) facultative commensalism
  C) obligate endoparasitism
  D) mutualistic symbiosis
  E) obligate commensalism

Question 2

Judge the following sentence according to the criteria given below: Invasive species can wreak ecological havoc by outcompeting and dominating native populations BECAUSE they lack predators or other natural controls in their new habitats.
 
  A) The assertion and the reason are both correct, and the reason is valid.
  B) The assertion and the reason are both correct, but the reason is invalid.
  C) The assertion is correct but the reason is incorrect.
  D) The assertion is incorrect but the reason is correct.
  E) Both the assertion and the reason are incorrect.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nixon_s

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

D

Answer to Question 2

A





 

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

For a complete list of videos, visit our video library