The process whereby the earth’s life changes over time through changes in genes of populations of organisms in succeeding generations is called. a. emigration. b. mutation. c. natural selection. d. evolution. e. genetic drift.

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

Which could be a pathway of food through an ecosystem

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