Cleana

The chemistry & physics of molecules that make up living organisms - Molecular Biology Compounds that do not have a carbon backbone - Inorganic Compounds A substance that cannot be broken down into simpler substances by ordinary chemical reactions - Element Each element is given a ________________. - Chemical Symbol These four elements make up 96% of the mass of most organisms - Oxygen, Carbon, Hydrogen, Nitrogen The smallest portion of an element that retains its chemical propert...

What is taxonomy? - The science of naming and classifying organisms. Who is the "Father" of Taxonomy? - Carolus Linnaeus Binomial nomenclature - Each species is assigned a unique two-part name. The first part is a noun that designates the genus and the second part is an adjective that modifies the noun called specific epithet. Modern hierarchy system of classification. Rules for scientific naming - 1. Typically latinized 2. Two part name: Genus and species 3. Genus is capitalized an...

fixed action pattern - a sequence of unlearned acts directly linked to a simple stimulus sign stimulus - External sensory stimulus that triggers a fixed action pattern. how do birds know where to migrate? - 1. relative to the sun 2. landmarks 3. stars 4. magnetic field cirannual rhythms - behavioral rhythms linked to the yearly cycle of seasons circadian rhythm - the biological clock; regular bodily rhythms that occur on a 24-hour cycle signal - a stimulus transmitted from on...

Living organisms are characterized by how ________. - they are organized, they respond to stimuli, they acquire materials and energy from their environment The ______ is composed of a variety of molecules working together and is the basic unit of structure and function of all living things. - cell ____________ combine with other atoms of the same or different elements to form molecules. - atoms Atoms strive for stability. They want to complete their outer shell by _________. - giving up...

cell theory - -all organisms are made up of cells (one or more) -all cells come from other cells What is a hypothesis? Give an example statement that is a hypothesis. - An educated guess about the reason for the phenomenon. Example(s): -Leaves reflect green light more than other wavelengths of light. -Leaves do not use green wavelength of light for photosynthesis. What is a theory? Give an example statement that is a theory. - A broad explanation of natural phenomena based on many ...

Cell - smallest, most basic unit life unicellular - one cell multicellular - many cells emergent property - qualities appear each level organization List the organization of living things. - Atom molecule cell tissue organs organ system organism List the 5 characteristics of living things. - organized acquire materials & energy respond to stimuli reproduce & develop adapt natural selection - organisms become modified evolution - change over time become suited envir...

What are the key characteristics of living things? - (1) Orderliness, complexity, organization (2) energy use and production, metabolism (3) balance, homeostasis (4) irritability, adaptation (evolution) (5) reproduction, growth, development The sum of all the chemical reactions that take place in the body is called _____. - metabolism Taxonomic Heirarchy (IN ORDER!) - Domain, Kingdom, Phylum, Class, Order, Family, Genus, Specific Epithet What two parts make up a scientific name? - g...

Subatomic particles - Tiny entities of matter Protons, Neutrons, Electrons Atoms - Building block of all substances Molecules - Group of atoms bonded together Organelles - Any number of organized or specialized structures within a living cell Cells - Smallest living unit Tissues - Consisting of specialized cells and their products Organs - Structural/functional Self-contained Has specific functions Organ systems - Group of organs with functions Example: digestive syste...

Bundled Chem 103 Lab Final Exam questions and answers

The study of life. - Biology The study of plants. - Botany The study of animals. - Zoology The study of body form and structure. - Anatomy The study of bodily function. - Physiology The study of interaction of organisms with each other and their environment. - Ecology The study of chemical reactions as they relate to living things. - Biochemistry The science of identifying and classifying organisms according to certain guidelines. - Taxonomy (taxo = put in order, nomy = law ...