Characteristics of Living Things

What does it mean to be alive?

“Today was just a day fading into another

And that can’t be what a life is for…”Amy Hit the Atmosphere, Counting Crows (1999)

…are made up of cells.

Living things…

Unicellular

Multicellular

Amoeba (Amoeba sp.)

Human (Homo sapiens)

Living things…

…reproduce.

Human sperm & egg cells

Hydra budding

Binary fission of Paramecium

Sexual Asexual

Living things…

…grow and develop.

Onion (Allium cepa) cells

Living things…

…obtain and use energy.

Living things…

…respond to their environment.

Blue-ringed octopus (Hapalochlaena sp.)

Living things…

Jackrabbit (Lepus sp.)

…respond to their environment.

Living things…

…are capable of movement.

Paramecium sp. Plant seedlings

Cheetah (Acinonyx jubatus)

Living things…

…are based on a universal genetic code.

Living things…

…as a group, change over time.

ORGANISM ENVIRONMENT

Polar bear (Ursus maritimus)

Bacterialendospore

Silky anteater(Cyclopes didactylus)

References

• Main reference

Miller, K.R. and Levine, J. (1995). Biology. Englewood Cliffs, New Jersey: Prentice-Hall, Inc.

• Other references– Miller, K.R. and Levine, J. (2002). Biology. Upper Saddle

River, New Jersey: Prentice-Hall, Inc.

– Solomon, E.P., Berg, L.R., Martin, D.W., and Villee, C. (1993). Biology (3rd ed.). Fort Worth: Saunders College Publishing.

Image Sources

• Slide 2

– Brain cell > http://www.scienceclarified.com/Bi-Ca/Brain.html

– Amoeba > http://www.btinternet.com/~stephen.durr/amoebaproteus.html

– Homer Simpson > http://www.simpsonstrivia.com.ar/wallpapers/homer-simpson-wallpaper-brain.htm

• Slide 3– Human sperm & egg cells >

http://news.bbc.co.uk/nol/shared/spl/hi/pop_ups/03/health_ivf_step_by_step/img/1.jpg

– Paramecium > http://www.emc.maricopa.edu/faculty/farabee/BIOBK/1-OLIH023P.GIF

– Hydra > http://www.microscope-microscope.org/gallery/Mark-Simmons/images/hydra2.jpg

• Slide 4– Onion cells > http://tosaweb.ncsd.k12.wy.us/faculty/lbell/Cell%20Division/Images/fig12x9onion.jpg

– Mosquito life cycle > http://www.epa.gov/pesticides/health/mosquitoes/moslifecycle.jpg

• Slide 5– Metabolism poster > http://www.pnas.org/content/103/2/425/F3.large.jpg

• Slide 6– Blue-ringed octopus > http://www.underwater.com.au/content/5192/blue_ringed_octopus.jpg

Image Sources

• Slide 7

– Jackrabbit > http://www.wildhorizons.com/images/Jackrabbit_Ears.jpg

• Slide 8

– Cheetah > http://www.bergoiata.org/fe/felins/High%20Velocity,%20Cheetah.jpg

• Slide 9– DNA >

• Slide 10

– Polar bear > http://climateprogress.org/wp-content/uploads/2006/12/polar-bear-tongue.jpeg

– Endospore > http://www.apsnet.org/education/illustratedglossary/PhotosE-H/endospore.jpg

– Silky anteater > http://www.projectamazonas.com/Images/Flora&Fauna/FloraFaunaGalleries/mammals%20edentates/ Cyclopes%20didactylus%2004.jpg

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