Bio 220 Study guides, Class notes & Summaries

BIO 220 FINAL EXAM

Exam 1 Bio 220 ULL

extracellular enzymes - increase protection against host defenses and attack and kill host defensive cells to enable spread of infection two extracellular enzymes - coagulase & hyaluronidase coagulase - -pathogen produces coagulase -coagulase causes formation of a clot around pathogen -kinase causes breakdown of a clot -bacteria is released into blood hyaluronidase - -pathogens approach epithelium -pathogens produce hyaluronidase -pathogen can now invade deeper tissues Bacterial toxins...

Exam 1 Bio 220 ULL

Environmental Science - correct answer the systematic study of our environment and our proper place in it Interdisciplinary Enviromental Science - correct answer Natural Sciences, Social Sciences, Humanities Scientific Method - correct answer identify question, form hypothesis, collect date to test hypothesis, interpret results, report for peer review, publish findings ecological footprint - correct answer the impact of a person or community on the environment, expressed as the ...

define anatomy - Answer-scientific study of the body's structures define physiology - Answer-scientific study of the body's functions define gross anatomy - Answer-study of larger structures of the body define microscope anatomy - Answer-study of structures of the body that can only be seen with the use of a microscope describe in order of increasing complexity the levels of structural organization of the body - Answermolecule < cell < tissue < organ < organ system < organi...

Regular logistic growth - Answer-Goes up exponentially then plateaus Niche - Answer-The range of abiotic and biotic conditions an organism can tolerate/handle Fundamental niche - Answer-the range of abiotic conditions under which a species can persist Realized niche - Answer-the range of abiotic and biotic conditions under which the species can persist fundamental/realized niche of american chestnut - Answer--Fundamental niche: Is climatic and soil conditions throughout eastern USA. - Real...

Bacteria are _____________, meaning they are found all over and in every environment such as soil, water, on plants, on humans or on animals. - Answer-Ubiquitous There are three major bacterial morphologies (shapes): rod shaped (_________). - Answer-Bacillus There are three major bacterial morphologies (shapes): spherical (_________). - Answer-Cocci There are three major bacterial morphologies (shapes): curved or ____________. - Answer-Helical Bacteria tend to be very small in size, ranging...

Fundamental basics of environmental science - correct answer the systemic study of our environment & our place in it Natural and Social Science and humanities Scientific Methods - correct answer A series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions. ecological footprint - correct answer the impact of a person or community on the environment, expressed as the amount of land required to sustain...

BIO 220 Exam #3 Questions And Answers What is Biodiversity? - ANS The variety of life What are the three levels of biodiversity? - ANS Genetic, Species, and Ecological What is Genetic Diversity? - ANS measures variety of different versions of SAME GENES within a species What is Species Diversity? - ANS measures number of different kinds of ORGANISMS within a community What is Ecological Diversity? - ANS measures RICHNESS and COMPLEXITY of a community What is Speci...