Achemical leaks into a pond that selectively kills off the phytoplankton (a producer). many of the other organisms in the pond die over a short period of weeks, and the overall species diversity declines. the phytoplankton in this pond could be considered a good example of a(n) species.

I know this is late but hopefully my answer will help other people. The answer is (Keystone Species)

Keystone species

Explanation:

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.

lesson summarykaryotypes a genome is the full set of all the genetic information that an organism carries in its dna. chromosomes arebundles of dna and protein found in the nucleus of a eukaryotic cell.