Bio 121 exam 1 - Study guides, Class notes & Summaries

BIO 121 Exam 1 Practice Questions 2024

BIO 121 Exam 1 Review Spring 2024 Evolution The gradual change in a species over time. Adaptation When the heritable trait increases an individuals fitness in a particular environment. Ancestral trait Is a character that existed in an ancestor. Derived trait Is one that is a modified form of the ancestral trait, found in a descendants. Vestigial trait A reduced or incompletely developed structure that has no (or reduced) function (e.g. human tailbone or wisdom teeth). Homologous str...

QUESTIONS AND ANSWERS

What is the environment? Correct Answer all of the living things and nonliving things around us What is science? Correct Answer a systematic process for learning about the world and testing our understanding about it observation, questioning, testing, discovering What is hypothesis driven science? Correct Answer structured research, experiment tested using scientific method What is observational/descriptive science? Correct Answer info gathered about organisms, materials, systems, or p...

True or False. All the pathogenic forms come from one definite lineage in the domain Bacteria. ANSWER False The molecules that kill bacteria or stop them from growing are _____. ANSWER antibiotics What are organisms called that use organic compounds as electron donors in cellular respiration? heterotrophs phototrophs lithotrophs organotrophs ANSWER organotrophs What has metagenomic analysis allowed researchers to do for the first time? isolate organisms from an environment ...

BIO 121 Exam 1 Chapters 1-5 | updated questions and answers Environmental Science - The scientific study of how the natural world works, how our environment affects us, and how we affect our environment Natural Resources - the goods provided by the environment. Can be renewable or nonrenewable Ecosystem Services - natural systems provided by the environment Ecological Footprint - a quantitative measure of resource consumption based on the cumulative area of biologically productive land...

BIO 121 Exam 1 Review Spring 2024 Evolution The gradual change in a species over time. Adaptation When the heritable trait increases an individuals fitness in a particular environment. Ancestral trait Is a character that existed in an ancestor. Derived trait Is one that is a modified form of the ancestral trait, found in a descendants. Vestigial trait A reduced or incompletely developed structure that has no (or reduced) function (e.g. human tailbone or wisdom teeth). Homologous str...

BIO 121 Final Exam (GRADED A) Essentials in Nutrition Questions and Answers (LATEST UPDATE) Portage Learning Final Exam - Requires Respondus LockDown Browser + Webcam Due No due date Points 120 Questions 41 Time Limit 90 Minutes Requires Respondus LockDown Browser Attempt History Attempt Time Score LATEST Attempt 1 55 minutes 93.5 out of 120 Score for this quiz: 93.5 out of 120 Submitted Feb 9 at 8:53am This attempt took 55 minutes.

BIO 121 Final Exam LATEST ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS ALREADY GRADED A+ What are the 4 characteristics of life? - CORRECT ANSWER-1. Energy 2. Development/Growth 3. Reproduction 4. Population/Evolving Name the structures that air passes through as it enters the respiratory system. - CORRECT ANSWER-Air Travels Through: 1. Nose - air enters the body and particles are trapped by hairs 2. Pharynx - connected t...