Bio Exam #2

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

proton pump

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

3.8 billion

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: