BIO 150 - Exam #1 Questions with Complete Solutions

What are the three major objectives of BIO 150? Correct Answer-1) unifying features of living systems --> ecological to molecular --> diversity and complexity 2) scientific research skills 3) apply knowledge to questions and issues What is ecology? Correct Answer-The diversity of life, evolution, and how organisms interact with each other and the environment What is biology? Correct Answer-The science of living systems! Includes observation, prediction, experimentation, theory, and communication! What is the theory of evolution? Correct Answer-All of today's species have evolved from simple life forms ... gene distribution changes over time Long ago, organisms were different than they are today, we can see evidence of this with what? Correct Answer-Fossils! What are homologous structures? Correct Answer-homologous structures are similar in origin but not function (whale flippers /human arms).... same structure = defended from same animal