A group of individuals of the same species that live in the same area and interact with one another is a population. The process that gives rise to new species is called speciation. A reproductive barrier is anything that prevents successful interbreeding between species. The defines a as a group of populations whose members have the potential to interbreed with one another and produce fertile offspring. SubmitRequest Answer Part B Complete previous part(s) Part C Complete previous part(s) Part D Complete previous part(s) Provide Feedback Next 

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

What will happen if two of the base pairs of the stand of the dna are switched