Bio 211 - Study guides, Class notes & Summaries

Systematics Correct Answer-the study of biological diversity and its origins Taxonomy Correct Answer-the branch of bio that deals with the classification and naming of organisms Taxon Correct Answer-any single named group of organisms plural=taxa Phylogeny Correct Answer-the evolutionary history of a species or a taxonomic group of organisms Linnean System Correct Answer-German biologist named Karl Linnaeus devised in 1735 a convention for naming a species that remains in use today ...

Bio 211 Lab Practical 2 Exam Verified Answers

SDSU Bio 211 Exam 1: Mastering Micro Exam Questions and Answers 100% Solved In Pasteur's swan-neck flask experiment, the importance of the S-shaped curves in the flasks was twofold. The curves allowed entry of air but excluded: A. heat B. nutrients C. airborne bacteria D. viruses E. oxygen - C. airborne bacteria Pasteurization was first developed to kill __________ in wine. A. spoilage bacteria B. antibiotic-producing bacteria C. all bacteria

Scientific theories are just "ideas" (T/F) Answer> false What is NOT considered a quality within the definition of life? Living things evolve Living things can grow and develop Living things are sentient Living things use energy Answer> Living things are sentient In some cases an observational study is more appropriate than an experiment. (T/F) Answer> True The oldest fossils humans have discovered are from organisms called________. Answer> stromatolites Extant mea...

Bio 211 (Anatomy) Exam 1 (form A) Questions with complete solutions

3 types of neurons in the neural layer of the retina - photoreceptors, bipolar cells, and ganglion cells Abnormal ECG examples - arythmia, Afib, Vfib, bradycardia, and tachycardia accommodation - change in the shape of the eye Agglutination - clumping of blood; happens when antigen and antibody react if not matched Albumins - Transport fatty acids and steroids, help regulate osmotic pressure of the blood. Anemia - A condition in which the blood is deficient in red blood cells, in hemoglobi...

In Pasteur's swan-neck flask experiment, the importance of the S-shaped curves in the flasks was twofold. The curves allowed entry of air but excluded: A. heat B. nutrients C. airborne bacteria D. viruses E. oxygen C. airborne bacteria Pasteurization was first developed to kill __________ in wine. A. spoilage bacteria B. antibiotic-producing bacteria C. all bacteria D. disease-causing bacteria E. probiotic bacteria A. spoilage bacteria All living organisms can be classified into three domai...

"Biologists practice evidence-based decision making." This statement means that: Biologists start by stating a hypothesis and a null hypothesis, without making prior observations because that might lead to bias. Biologists select between a hypothesis and a null hypothesis based on careful thought without data Biologists select between a hypothesis and a null hypothesis based on experiemental or observational data Only careful experimentation allows biologists to select between a hypothes...

Characteristics of Life Answer> Living things: -are organized -need energy and materials -maintain homeostasis -respond to stimuli (changes in environment) -reproduce and grow -have adaptations matter Answer> Anything that has mass and takes up space element Answer> A substance that cannot be broken down into substances with different properties atomic number Answer> =number of protons atomic mass Answer> =protons (which are = to electrons) + neutrons mass number...

aqueous - Of or containing water. typically as a solvent or medium Biological organization- increasing levels comes greater complexity. - Chemical - lowest levelatoms, molecules, proteins. organelles, cells. Organelles Tissue level- collection of similar cells associated with specific function. Organ level-differentiation cells (different) associate with different organs.- digestive system-cells break down gastric juices, also generate mucus. Organisms- Individual living things. Populatio...