Ch 1: Biology in the 21st Century Pt. 1
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Last updated 8:39 PM on 8/8/22
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60 Terms
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Scientists
________ use observations and data to form hypotheses.
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Evolution
________ can occur through natural selection and adaptation.
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Scientific Inquiry
________ is based on curiosity and skepticism, and also requires evidence.
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Science
________ is a human process of trying to understand the world around us.
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Constants
The conditions in the experiment that dont change.
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Negative feedback
causes a response that should return the system to its original state when a change in a system occurs.
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Natural Selection
when organisms with a certain genetic trait survive and reproduce better than organisms without the trait.
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Parts of living things
________ are structured to work in a way that is most beneficial.
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dependent variables
Experiments: a process where scientists study factors (independent and ________) to find cause- and- effect relationships.
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Homeostasis
The maintenance of constant internal conditions in an organism.
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Adaptations
________ occur through MANY generations as traits are passed down.
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Theory
a proposed explanation for observations and results supported by evidence.
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Skepticism
uses critical thinking to analyze results.
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Metabolism
All of the chemical processes that build up or break down materials.
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Peer Review
________ is when results are evaluated by other scientists.
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Observation
using senses and tools to study the world.
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Biology
The scientific study of all forms of life.
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DNA
The genetic material found in all organisms.
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Organisms
________ pass down genetic material when they reproduce.
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Biosphere
All living things and all the places they are found on earth.
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chemical energy
Living things use ________ to survive.
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Ecosystem
A physical environment with different species that interact with other species and nonliving things.
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Hypothesis
A proposed answer for a scientific question.
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Quantitative data
can be measured or counted to report how something happens.
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Physical reactions
________ called stimuli include light, temperature, and touch.
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System
An organized group of related parts that form a whole.
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traits
Shared ________ in organisms are a result of common evolutionary descent.
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Biodiversity
The variety of life across the biosphere.
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Greater biodiversity
________ is found near the equator because more living things can live in warmer climates than in cold climates.
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independent variable
This is what is measured and observed during an experiment to see the impacts of the ________.
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Multicellular organisms
________ reproduce from two parents.
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Adaptation
An inherited trait that gives an advantage to organisms with that trait.
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Evolution
The change of genetic material in living things over time.
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Natural selection
________ can lead to the evolution of new species.
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Homeostasis
________ is usually maintained with Negative feedback.
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Observation
________ is important for categorizing and studying organisms.
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Organisms
________ develop according to instructions carried by DNA and RNA.
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Chemical energy
________ is received through absorbing sunlight or eating other organisms.
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Independent variable
A factor that is changed in an experiment.
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Biosphere
All living things and all the places they are found on earth
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Biodiversity
The variety of life across the biosphere
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Species
A type of living thing that can reproduce by breeding among themselves
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Biology
The scientific study of all forms of life
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Organism
Any individual living thing
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Cells
The basic unit of life
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Metabolism
All of the chemical processes that build up or break down materials
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DNA
The genetic material found in all organisms
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System
An organized group of related parts that form a whole
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Ecosystem
A physical environment with different species that interact with other species and nonliving things
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Homeostasis
The maintenance of constant internal conditions in an organism
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Evolution
The change of genetic material in living things over time
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Adaptation
An inherited trait that gives an advantage to organisms with that trait
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Observation
using senses and tools to study the world
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Data
Information that is collected through observation
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Hypothesis
A proposed answer for a scientific question
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Experiments
a process where scientists study factors (independent and dependent variables) to find cause-and-effect relationships
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Independent variable
A factor that is changed in an experiment
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Dependent variable
A factor that changes based on the independent variable
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Constants
The conditions in the experiment that dont change
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Theory
a proposed explanation for observations and results supported by evidence
