What are scientists actually studying when they are comparing organisms at the molecular level to determine evolutionary relationships?
lipids and fatty acids
sugars and starches
morphological structures
DNA and amino acids

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Sort the examples by the type of diversity that they exhibit a park has 80 species of trees red, yellow, and orange bell peppers are all members of the same species individuals of the same lizard species have different mating strategies. five different bird species are at a bird feeder. genetic diversity species diversity