Researchers want to use eDNA to look for an invasive species in a waterway. Which of these steps would they be likely to do last?

A. Sort DNA into bands on a gel.
B. Cut DNA into smaller pieces.
C. Collect samples of water with DNA.
D. Compare DNA samples with a control.

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

In which of the following relationships is one organism always benefited while the other organism is always harmed

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species