Chapter 8 Cellular Respiration
1. Process by which cells acquire energy from breaking down nutrients
produced by photosynthesizers.
Both plants and animals respire! Plants have mitochondria too!
2. Explains why we breathe! Oxygen is required during
Overall Photosynthesis Reaction:
CO2 + H2O + light
Is carbon dioxide oxidized or reduced?
Is water oxidized or reduced?
C6H12O6 + O2
It has been reduced.
It has been oxidized.
I. Light Dependent Reaction
a. Products: Oxygen, NADPH an
Chapter 5 Membrane
Structure and Function
Does water and lipid mix?
How would you clean this?
Chapter 3 Organic
Find a pair and befriend him or her
6th element in the periodic table
Found in all living organisms
Reactive or Non-reactive (inert)?
Forms covalent bonds with other
reactive elements (the other
4.Origin of Life
Evolution explains how life has
changed over billions of years
but not how life began
Modern stromatolites in tidal setting, West
coast of Australia
Between 3.5 and 2.0 bya, the most
common fossils are stromatolitesmicrobial
mats that gro
STUDY QUESTIONS FOR EXAM ONE
BIO 102 Prof. Wiegmann
Please study your lecture notes and areas of the text that we covered in lecture first. Then, as a
review, you can use these questions to test your knowledge of the material that we learned.
TOPIC ONE: D
5. Viruses and other nonliving
Viruses are not cells! But they are pathogens-They are biological saboteurs that hijack the genetic
material and cellular machinery of the host in order
to reproduce themselves
REVIEW QUESTIONS FOR EXAM 3
1. List the defining characteristics of prokaryotes.
2. Distinguish between two major groups of prokaryotes: bacteria and archaea, both in terms of habitat
and cell structure.
3. Describe the e
Macroevolution: evolution that leads to the formation
of new species
Speciation: two or more species arise from one
African wild dog
millions of years
of natural selection
Topic 10 b
Vascular Plants with Seeds:
The Gymnosperms and Angiosperms
Evolutionary History of Seed Plants
The earliest Seed Plants arose from seedless
Vascular Plants approximately 360 million
years ago. (late Devonian/early
Carboniferous period.) seed
Raise ONE finger for True (not the middle! :)
or TWO fingers for False:
1) Tiktaalik is a fossil that represents the
evolutionary transition between dinosaurs and
2) Tiktaalik had a movable neck, wrists, and
maybe even some lung development, wh
Phylum Chordata chordates
Four Characteristics seen in all chordates
at some point in their life history:
1) Notochord: longitudinal flexible rod that
1. Darwin and Evolution by Natural Selection
BIOL 102: Spring 2015
Dr. Shannon Wiegmann
Howard Community College
Evolution is the change in organisms over time
universal characteristic of living things
Nothing in biology makes sense except i
Invertebrate that posses a true
Coelom: The Protostomes and
Key point # 3) Evolution of Body Cavities
Animal Kingdom: Evolutionary Tree
Key point #3:
Key point #
Topic 11 a: Introduction to the Animal
Kingdom + Part I of the Invertebrates:
Sponges to Roundworms
What is an Animal?
Monophyletic group; common ancestor colonial, flagellated
protist that lived about 700 million years ago (Precambrian)
Defining Characteristics of the
All Protista are Eukaryotic
The Protista are extremely diverse!
Many are unicellular, but some are colonial or
even multicellular (10 um to 200 m!)
Most are aerobic: require O2 to carry out
8.The Fungus Kingdom
Characteristics of Fungi
First euk organisms to invade land- with plants (@450mya)
Some unicellular (yeast) but most multicellular
Cell walls made of _ ?
More closely related to animals than any other kingdom
Topic 10 a:
Seedless Vascular Plants
(Tracheophytes without seeds.)
How Vascular plants differ from Bryophytes
1) Sporophyte (2N) generation is the dominant
Sporophyte does NOT rely on gametophyte
Sporophyte is the Larger lo
Domains Bacteria and Archaea
Three Major Lineages of Life
Living organisms are now
classified into three domains.
Universal ancestor (prokaryotic)
What dictates good taste?
A biological question that I found to be interesting was how do we taste and what dictates food to taste
pleasant. Its interesting to see that each individual has certain tolerations to food beyond psychology
and its int
1. What is the difference between an hypothesis and a scientific Theory? Between an
hypothesis and a prediction? What kinds of hypotheses are useful for scientific
investigations that try to explain the natural world, and which are not? Gi
Characteristics of All Living Things:
Have a complex organized structure of cells and organic molecules
Acquire and Use material and energy
Reproduce in some way
Contain and Pass on genetic information
Continuity with all other living things
Procreation is a matter of real estate
In this article, rotifers were found to breed in certain environments. They are tiny fresh
water creatures. I have never heard of rotifers but I came across this article while browsing
through the science section of
Bio 101 Final Exam
Characteristics of Life
1. Sexual Reproduction It involves the production of an offspring that derives
chromosomes from two different cells (sex cells). In vertebrates, the cells are the
egg and sperm and come from the mother and the fa
Gregory Stoker Luda Bard / Sue Bard T TH 2:00-3:30 November 9, 2006 ARE POLAR BEARS ON THE VERGE OF EXTINCTION? QUESTION Are polar bears on the verge of extinction? When I was a child, my parents would take me to the National Zoo where my favorite an