Because they are filter feeders, oysters are
most sensitive to pollution levels in their
habitat and among the first organisms to suffer
if pollution levels become too high. Oysters are
an example of ___ species.
a. an endangered
b. an endemic
c. an indicator
d. a threatened
e. a conserved
C
You might also like to view...
What do ethnobotanists study?
a. agricultural food crops and their effects on the environment b. parasitic plant pathogens and global health c. the relationship between a culture and plants native to the region d. the ethics of genetic manipulation of the food supply
Adaptive radiation might be expected after which of the following events?
a) a mass extinction b) colonization of a new area c) evolution of a new feature, like the amniotic egg d) All of the above are true. e) Only a) and c) are true.
The binding of one O2 to hemoglobin makes it easier for additional O2 to bind
A. true B. false
The process in which mutations are removed and the correct bases added is called ________.
A. transduction B. transformation C. excision repair D. frameshift E. back-mutation