8. A group of researchers performed an investigation in which they grew two species of
microscopic aquatic organisms called paramecia in test tubes. The researchers found that both
species grew better alone. When grown together, the growth of one species (A) declined and
the growth of the other species (6) increased until it reached capacity
which statement best describes what would likely happen to these species if they were grown
in a lake instead of a test tube?
A. Over time, species A would outcompete species B for food.
B. Over time, species A would evolve so that it could compete with species B.
C. Over time, species B would survive and pass on its traits to future offspring.
D. Over time, species B would exhaust its food source and begin to rapidly decline.

Is the sentence “ironically, although approximately seventy-one percent of the earth is covered by water, thirty-three percent of its land area is desert.” a phrase or a clause?

The rich natural resources made the sacramento valley a "garden of eden." permanent villages were established about 8,000 years ago.which choice combines these two sentences from paragraph two to achieve a coherent flow of ideas? a) the rich natural resources made the sacramento valley a "garden of eden" and permanent villages were established about 8,000 years ago. b) permanent villages were established about 8,000 years ago and the rich natural resources made the sacramento valley a "garden of eden." c) the rich natural resources made the sacramento valley a "garden of eden; " and so the permanent villages were established about 8,000 years ago. d) because of the rich natural resources which made the sacramento valley a ‘garden of eden,’ native americans established permanent villages there 8,000 years ago.

Which summary of a story about a ship crashing into an iceberg is the most subjective