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siecnce

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Anser
boiligist def of life (characteristics of life)   1.reproduction, development, growth 2.adaptations/ evolve 3.resond 2 stiluli 4.aquire materials/energy 5.organizedd  
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in multi-cellular organisms combine to form ____________.   tissssssue (nerve tissue)  
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tissues make up ___________.   organs  
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metabilism-   encompases all the chemical reactions that occr in a cell.  
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homeostasis-   maintainence or internal conditoins within certain boundaries  
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genes-   contains specific info for how the organism is to be ordered. ,made of long dna molecules  
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levels or biological organization   atoms -> molecules -> cells -> tissue -> organ -> organism -> population -> community -> ecosystem -> biosphere  
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atom -   smallest unit of a molecule  
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molecule -   smallest unit of a compound  
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cell -   smallest unit of a living thing  
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tissue -   group of cells with common structure/function  
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organ -   several tissues organized for a particular job  
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organism -   complex individuals containing organ systems.  
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population -   several organisms of the same kind in a certain area.  
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community -   interacting populations in a particular area.  
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ecosystem -   a community + the environmment  
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biosphere -   the earth's crust, waters, and atmosphere which are inhabited by living things.  
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energy -   capacity to do work / keeps things in order  
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metabolism -   all the chemical reactions in a cell.  
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ultimate source of energy -   sun  
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biotic -   living  
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abiotic -   nonliving  
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human impact on biosphere:   we mod it for our own purposes  
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why do we have a classification system?   live is so diverse, it's universal  
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categories of classification,(least to most specific) :   domain, kingdom, phylum, class, order, family, genus, species.  
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3 types of domains:   bacteria, archaea, eukarya  
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4 kingdoms:   protists, fungi, plants, animals  
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do eukaryotes have a nucleus?   yes  
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binomial name:   2 part name that is universal. first word is genus, second is specific species within a genus  
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do prokaryotes have a nucleus   no.  
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randomized study -   ensures there's no bias  
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double blinded study -   both test subjects and investigators don't know who is getting what treatment  
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is it good to have a small sample?   nope.  
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you're ego is...   your own comparison of you to another person (self esteem)  
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biology is the sudy of_________.   life  
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scientific process involves using the ________ ________.   scientific method  
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The flow of the scientific method "Levels" are...   Observation -> hypothesis -> experiment -> conclusion -> Scientific theory (or hypothesis if the old hypothesis isn't right)  
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inductive reasoning is _________.   Using creative thinking to combine isolated facts into a cohesive whole, to come up with a hypothesis.  
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hypthesis -   possible explanation for a natural event  
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deductive reasoning -   use4d to test a hypothesis using if, then, logic  
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experimental design -   manner in which a scientist intends to conduct an experiment.  
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control group -   goes through all the steps of an experiment but is not exposed to the factor being tested.  
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conclusion -   whether or not the hypothesis is true or false.  
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experiments and observations must be...   repeatable by any scientist, to get the same result  
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scientific theories -   concepts that join together well supported and related hypothesis.  
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principle (or law) -   theory, but is trusted by a ton of scientists. is accepted as true.  
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independent variable -   factor of the experiment being tested.  
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dependent variable -   result or change that occurs due to the independent variable.  
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