4. Which of the following would best explain why a species of wildflower native to Switzerland is suddenly observed growing in the wild in Montana?

A) Wind dispersed seeds of a wildflower.

B) Water dispersed seeds of the wildflower.

C) An animal ate seeds and later dispersed them.

D) A human bought and dispersed the seeds.

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos