1. Why are the Eastern and Western Meadowlarks considered different species? 2. In which way(s) could polar bears and grizzly bears be considered different species?​

3. In which way(s) could polar bears and grizzly bears be considered the same species? ​

4. What is the main point this video makes about species? ​

According to the theory of punctuated equilibrium, at what rate does speciation occur? species change depending on the rate of natural selection. after periods of stasis, new species evolve relatively rapidly. species change slowly and eventually form new species. some species change quickly and others change slowly to balance the overall rate.

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next

Which observation supports the inference that humans and chimpanzees share a common ancestor