Which of the following is radially symmetrical?
Cnideria and adult echinodermata
The animal phylum with the most species is:
A key evolutionary development in phylum Nematoda was
Having a separate anus and mouth
On of the key elements of cell theory is:
Some prokaryotic cells are "anaerobic" referring to their
ability to live without oxygen
small cells tend to have
increased membrane surface are
The process of making protein is:
Specialized, membrane bound structures within cells are known as
the endoplasmic reticulum is
every cell has the following three components:
cell membrane, cytoplasm, genetic material
one of the functions of a vacuole in a plant cell is to
stretch from water pressure so that plants can grow
the universal form of energy in all living cells is
Moving hydrogen ions from one side of a membrane to the other
the lifespan of a lipid bilayer in the membrane is generally
The "Endosymbiosis hypothesis" proposes that
mutualistic relationship between different organisms and capable of independent reproduction
The overall function of mitochondria is to
Which of the following are examples of kinetic energy?
Wind, flowing stream, electricity, heat
The first law of thermodynamics tells us that
whatever energy you put into a system is energy you will get out
As "energy organelles" plant cells have
The first organisms on Earth occurred about ____ years ago
Autotrophic organisms get their energy from
the early atmosphere of the Earth had
hydrogen, ammonia, methane, water vapors, but NO oxygen
"Family" is a level in the Linnaean classification hierarchy between
order and genus
when tectonic plates tipped, they influenced evolution by
The multicellular kingdoms differ in their:
Scientific names are used instead of common names because
universal and more efficient
Linnaeus named a plant "Siegesbeckia" in order to
spite the guy that the plant is named after
In which kingdom do we classify viruses?
Viruses are composed of _____ & ______?
capsid, genetic material
_________ are viruses that attack bacteria
HIV infection attacks the:
T4 lymphocytes (immune system cells); basically attacks the whole immune system
Which of the following is true of viruses outside the host cell?
Which of the following human diseases is not caused by viruses?
HIV stands for:
Human Immunodeficiency Virus
The Spanish Flu:
A problem associated with the development of a vaccine against the Bird Flu virus:
In the movie, what epidemic did Dr. John Snow prevent in 1854 in London?
The bird flu is caused by what strain of virus?
Why were young children the first casualties of the Bird Flu in Thailand?
Where did the Bird Flu come from?
What percentage of the people who catch the Bird Flue die from it?
Which of the following might be effective in preventing the Bird Flu from becoming a pandemic?
New DNA data will probably be most important in showing evolutionary relationships in kingdom:
The two kingdoms that are most different are:
Azolla and its associated cyanobacterium are:
An example of why the two kingdom system of classification was not workable is
The reason the Kingdom Protista is difficult to characterize is:
Members of Phylum Sarcomastigophora feed by:
Characteristics of Phylum Myxomycota include: