What Organ that Help to Digest Carbohydrates

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

What is one affect on the australian environment due to the introduction of non-native european rabbits? (a) more grass grew in response to the need of the growing population of rabbits. (b) the rabbits balance out the food chain as they became a natural prey to many predators. (c) the rabbits the land by digging, which caused the soil to spread much needed nutrients. (d) the rabbits out-competed other small animals species and caused them to go extinct.

Where are chlorophyll molecules located within the chloroplasts?