When thinking about population ecology, it is important to remember that populations evolve, not individuals. We’ve learned that populations do not operate independently of each other, but are connected and intertwined within communities. Therefore, we say that populations evolve together; they coevolve. In population ecology, there are 5 major relationships: predation mutualism commensalism competition parasitism [...]
In class on Monday we talked about Speciation, or the creation of new species. What helps drive the process of speciation is natural selection. We learned 4 different aspects of natural selection: Genetic Variation (mutation) Over Production of Offspring Struggle for Existence (food limitation) Differential Survival & Reproduction (heredity) A source of genetic variation is [...]
The basis of our discussion today…hope it clears up “relationship issues” in ecological communities: Species interactions View more presentations from Derrick Willard.