A _______ is made of all the populations of all species in a habitat.
a) ecosystem
b) symbiosis
c) community
d) niche
Ans: c) community
You might also like to view...
What type of diseases require biosafety level (BSL) 4 procedures and facilities when working with samples that may be infected?
A) highly infectious diseases B) diseases with high mortality C) diseases for which no treatment or vaccine exist D) highly infectious diseases with high mortality for which no treatment or vaccine exist
A mutation causes a gene to become overactive, contributing to uncontrolled cell growth. Which term best describes this gene?
A. tumor-suppressor gene B. oncogene C. spliced gene D. alternatively spliced gene E. malignant gene
Which type of enzyme is most likely to be involved in the loss of fat during exercise?
A. carbohydrase B. lipase C. protease D. trypsin
The theory of global warming suggests that a trend toward warmer temperatures on Earth will cause glaciers to lose mass. A major consequence of glacial melting is
A. flooding coastal regions B. destruction of fossil records C. increased saltiness of the ocean D. increase in atmospheric carbon dioxide