Biology 1m03 Study guides, Class notes & Summaries

Provide examples where evolution is not goal-directed - - Parasites lose complex digestive systems - Finch beaks get larger, then smaller Although N enhances productivity, is too much nitrogen a bad thing? - N runoff can lead to eutrophication, species diversity decreases if organisms thrive in N, N pollution creates acid rain, climate change, depletion of ozone Are non-human animals capable of making decisions that impact their fitness? - No. Cost-benefit...

McMaster Bio 1M03 Exam with Complete Solution Population - - a group of individuals from the same species that occupy an area of space at the same time - can produce viable offspring - uses the same resources and are affected by similar factors Ecology - - the study of how organisms interact with their environment What is population ecology? - - measures changes in population size, pop composition - identifies factors that cause changes in population - studies how and why a populat...