BIO SCI 94 Lecture Notes - Lecture 21: Argyroxiphium, Adaptive Radiation, Southern California

33 views8 pages
roserabbit176 and 3 others unlocked
BIO SCI 94 Full Course Notes
18
BIO SCI 94 Full Course Notes
Verified Note
18 documents

Document Summary

Lecture (cid:1006)(cid:1005): introduction to ecology: ecology: study of how organisms interact w/ each other & their environment, these interactions determine the distribution & abundance of organisms. *from textbook: tsetse fly affects the distribution of cattle in africa due to the interaction among the tsetse fly, the cattle it bites, & the disease parasite they carry. Joshua trees: only grow in high deserts: abiotic: can handle very high heat & very cold winters; don"t need a lot of precipitation, biotic: pollinated by moths. Biomes, climate and weather: terrestrial biomes: region characterized by distinct abiotic characteristics & by the dominant types of vegetation, primary abiotic factor is climate: prevailing, long-term weather condition of a region. *from textbook: subtropical deserts, where we live. *from textbook: at 30 degrees north & south latitudes, there tend to be subtropical deserts, has to do w/ a phenomenon called a hadley cell, an important cycle in the global circulation of air.