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Towson - MBBB 120 - Class Notes - Week 3

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Towson - MBBB 120 - Class Notes - Week 3

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background image "Life and Water" Lecture One Flashcards What is a living thing? (hint—three things!) A living thing has a nucleus, is able to reproduce in some way, and contains BOTH Carbon and Hydrogen What is biology? The study of life or living things What makes something alive? 1. It ontains genes 2. It is a dynamic unit (changes, evolves, etc) 3. Interacts with the environment What are genes? Genes are what makes up our being—every living thing has either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) What is asexual reproduction? Asexual reproduction is the process of something reproducing by itself. 
background image "Life and Water" Lecture One Flashcards These "children" are identical to the "parent" What are the benefits of asexual reproduction? The offspring is not likely to die off,
because of the parents' being able to
reproduce by itself There is no need for the parent to find
a mate
What are the possible
drawbacks of asexual
reproduction? Depending on the health or traits
of the parent, the offspring may
be able or less able to adapt to
the environment
background image "Life and Water" Lecture One Flashcards What is sexual reproduction? Sexual   reproduction   requires   two
organisms—each   has   its   own   set   of
genes
The   offspring   has   a   combination   of
the   parents,   and   is   not   genetically
identical to the parents
What are the benefits of sexual reproduction? The offspring are unique offspring Evolution (adapted to their environment) What are the possible drawbacks of sexual reproduction? Because the offspring are a combination of the genes and characteristics of the parents, the offspring could be either more or less adapted to live in their environment What is a dynamic unit? A dynamic unit is an organism whose every cell is constantly changing, adapting, and reacting to its environment How does a living thing interact with its environment? These organisms need to interact with their environment in order to find food, (possibly) hunt it, and stay away from predators
background image "Life and Water" Lecture One Flashcards How does a living thing evolve? Organisms as a species change Darwin's "Survival of the Fittest" tells us that organisms best equipped to the environment are most likely to survive and reproduce What is a virus? A virus is a small, infectious agent Examples of viruses The common cold, the flu, chicken pox, etc Are viruses alive? Are they a genetic system? Yes! Viruses have RNA, and pass it to their offspring  Are viruses alive? Are they dynamic units? Yes! Viruses change all of the time in order to continually infect!

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School: Towson University
Department: Biology
Course: Principles of Biology
Professor: Jennifer Wenzel
Term: Fall 2016
Tags: living, Things, organic, inorganic, Carbohydrates, Lipids, Proteins, nucleic, acids, DNA, RNA, carbon and life, genes, reproduction, virus, Water, polarity, and pH
Name: BIOL 120 LEC Week Three Notes!
Description: These are the notes from the first two lectures, "Life and Water" and "Biological Molecules" in flashcard form. The vocabulary is divided by what it is, what it does, and various other facts, details, and examples from the lecture (:
Uploaded: 09/19/2016
15 Pages 11 Views 8 Unlocks
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