Biology, 29.03.2021 04:50 pauliavargas4184
Certain species of aquatic organisms are particularly sensitive to environmental changes. Scientists often monitor the behavior, population size, and overall health of these so-called indicator species in order to evaluate the water quality in an ecosystem.
Biological indicator species are important to water systems because
A.
they provide an early warning sign of degrading water quality in an ecosystem.
B.
they are used to control water quality by filtering out pollutants in an ecosystem.
C.
they can convert harmful pollutants into helpful nutrients in an ecosystem.
D.
they become healthier as water quality degrades and can replace weaker species.
Answers: 2
Biology, 22.06.2019 04:30
Asap i will reward you brainliest for best which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.
Answers: 1
Biology, 22.06.2019 10:00
Dna and rna share a number of similarities,but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna
Answers: 1
Biology, 22.06.2019 11:30
Which benefit of the community experience when its members have a hide level of health literacy
Answers: 2
Certain species of aquatic organisms are particularly sensitive to environmental changes. Scientists...