Official course description: Species concepts, natural selection, phylogeny, models of population growth, transmission genetics, gene frequency, adaptation, interactions among species in a community, biomes and climate, ecosystem processes, and human impacts on the environment. Course Information: Animals used in instruction. This course is intended for science majors. BIOS 100 and BIOS 101 may be taken in any order. Credit is not given for BIOS 104 if the student has credit in BIOS 100 or BIOS 101. Class Schedule Information: To be properly registered, students must enroll in one Laboratory-Discussion and one Lecture. Natural World - With Lab course.