introduction to biology and populations ecology jeopardy!! characterstics of lifelab skills ecology...
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Introduction to Biology and Populations Ecology JEOPARDY!!
Characterstics of Life Lab Skills Ecology Overview Population Structure and Dynamics
Population Growth
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3030 Characteristics of Life Characteristics of Life Change that occurs in a species
overtime in response to the continuously changing
environment
40 Characteristics of Life 40 Characteristics of Life
Living things must be able to respond to stimuli
50 50 Characteristics of LifeCharacteristics of Life
All living organisms share similar instructions to run cell processes and
pass on hereditary information.
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Living things must have Living things must have Deoxyribose Nucleic Acid (DNA)Deoxyribose Nucleic Acid (DNA)
Characteristics of LifeCharacteristics of Life
The biological response or what The biological response or what the experimenter measuresthe experimenter measures
2020 Lab SkillsLab Skills
To ensure we are testing only one To ensure we are testing only one independent variableindependent variable
3030 Lab SkillsLab Skills
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What should you do with your What should you do with your hypothesis after your experiment?hypothesis after your experiment?
Lab SkillsLab Skills
*Accept- data collected in the experiment supports it.*Reject- data collected does not support it.
4040 Lab SkillsLab Skills
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What do we call the “placebo” What do we call the “placebo” group in an experiment, and why is group in an experiment, and why is
it essential?it essential?
Lab SkillsLab Skills
5050The Control Group- to use as a The Control Group- to use as a standard for comparison.standard for comparison.
Lab SkillsLab Skills
1010 Ecology OverviewEcology Overview
List the ecological levels of organization from least inclusive (specific) to most inclusive (broadest)
Organism, Popululation, Organism, Popululation, Community, Ecosystem, BiosphereCommunity, Ecosystem, Biosphere
1010 Ecology OverviewEcology Overview
The study of how organisms The study of how organisms interact with their environment interact with their environment
and each other.and each other.
2020 Ecology OverviewEcology Overview
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In addition to populations, In addition to populations, ecosystems include…ecosystems include…
Ecology OverviewEcology Overview
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The sum of all of the The sum of all of the planet’s ecosystems…planet’s ecosystems…
Ecology OverviewEcology Overview
1010 Population StructurePopulation Structure
The number of individuals of a species per unit area or volume
2020 Population StructurePopulation Structure
How do scientists determine How do scientists determine population density and why?population density and why?
2020 Population StructurePopulation Structure
*Counting or *Counting or *Sampling Techniques- *Sampling Techniques- it’s often impossible and it’s often impossible and impractical to count all impractical to count all organism in an area.organism in an area.
3030 Population StructurePopulation Structure
Why would an organisms in a population take on clumped dispersion?
3030 Population StructurePopulation Structure
*Herding patterns*social behavior*uneven distribution of resources*mating
4040 Population StructurePopulation Structure
What are survivorship curves?What are survivorship curves?
4040 Population StructurePopulation Structure
*Graphs (curves) generated from life tables. *Looks at average life span of organisms to make determinations about population growth.
5050 Population StructurePopulation Structure
What kind of distribution would What kind of distribution would a Cresotebush in the desert take a Cresotebush in the desert take and why?and why?
10 Population Growth
From: Mariano Cecowski <MCecowski#NoSpam.sif.com.ar>
Q: if both a bear in Yosemite and one in Alaska fall into the waterwhich one disolves faster?
A: The one in Alaska because it is
HIJKLMNO
10 Population Growth
Alimentary: What Sherlock Holmes said to Dr. Watson.
Urinate: What a nurse would say if a patient asked her what room he's in.
Urine - The opposite of "You're out!"Benign: What we want when we are eight.
Intestine - Currently taking an exam
CARDIOLOGY: advanced study of poker playing
TERMINAL ILLNESS: getting sick at the airport
1010 Population Growth
Density-dependent (competition, health, predation, physiological factors)Density-independent (acidity, salinity, fires, catastrophes, weather conditions)Boom and Bust cycles (pred/prey relationships, food supply)
Exponential Growth Model- conditions are ideal, Exponential Growth Model- conditions are ideal, birth rates exceed death ratesbirth rates exceed death rates
2020 Population Growth
3030 Population Growth
What are the characteristcs of the What are the characteristcs of the logistic growth model?logistic growth model?
4040 Population Growth
Age Structure Diagram- *Decline in Population Growth*Not enough children being born to replace those who die
5050 Population Growth
What kind of growth do humans exhibit? Why is this a concern?What kind of growth do humans exhibit? Why is this a concern?