Ethical HIV/AIDS Issues: Kenyan Sex Workers
a. Do the needs of the many outweigh the needs of the few? The deadly
pathogen, HIV/AIDS, was discovered in 1983 and has taken the lives of
more than 30 million people and left over 35 million in
1. Which body part in a mollusk secretes the shell?
c. visceral mass
have bodies that are divided into two parts: a head region that bears
two pairs of appendages modified to form mouthparts, and a
Animals and the Tree of Life
Animals are multicellular,
heterotrophs that have internal
digestion and are capable of
moving. Diplontic life cycles.
Ca. 1 million described species
Metazoan fossil record
Choanoflagellates-Sister Group of Animals
1.A characteristic of both vascular AND nonvascular land plants is:
b. Xylem and phloem
d. Secondary growth
2. Phylogenetically, lycophytes are sister to:
a. All land plants with vascular tissue
Which of the following is NOT a part of the molluscan body plan:
Lophotrochozoans are variable in shape and body plan. Which of
the following pairs of lophotrochozoans is capable of pro
What is an amniote? When do we first see them?
What is a synapsid? A diapsid?
What is an archosaur?
Among present day land vertebrates, which are:
Mammals, give an example of (and date of first appearance):
Much More Than You Usually See
Absorptive heterotrophy has lead to an astounding
diversity of biochemicals & interactions with other
Food and Drink and Fuel
Penicillium, a greenish mold that is commonly
found on fruit and cheese
1.In the life cycle of the bread mold Rhizopus, identify a structure that is
always produced and is diploid?
a) Clamp connection
e) Asexual spore
2. Which of the following clades is sister to the Metazo
Getting Big and Complex:
multiple origins of multicellularity
A simple, colonial protist, a Choanoflagellate.
A simple, multicell green alga, Coleochaete
An invertebrate animal.
A land plant.
Around 6-7 independent
transitions to multicellularity
Plant Diversity IV
All land plants produce
by mitosis and
1. spores; gametes
2. gametes; gametes.
3. gametes; spores.
4. spores; spores
5. spores; spores and gametes
Which of the following structures or characters is found in ferns but not see
Virtual Bacterial Identification Introduction
Welcome to the Virtual Bacterial Identification Lab. The purpose of the lab is to
familiarize you with the science and techniques used to identify different types of
bacteria based on their DNA sequence. Not l
If some of the InstaGene matrix had been carried over to the PCR, what would be the effect?
Plant Diversity II
1. For each of the following structures or life cycle states, indicate
the ploidy (n or 2n):
c) Gemmae of Marchantia
d) Sporangium or capsule
g) Hydroids and leptoids of a moss
2. For each of the