General Biology

In the 1920s and 1930s, terrible dust storms carried away tons of good soil away from farmland in ...

In the 1920s and 1930s, terrible dust storms carried away tons of good soil away from farmland in ...

In the 1920s and 1930s, terrible dust storms carried away tons of good soil away from farmland in western Oklahoma. Which of the following would be a result?
A) shortening of the doubling rate
B) massive immigration
C) reduction in car

lisa_lordes   366   1 Reply

R.Frant

This type of chemical results in damage to the ozone layer of the stratosphere.

This type of chemical results in damage to the ozone layer of the stratosphere.

This type of chemical results in damage to the ozone layer of the stratosphere.
A) nitrogen
B) chlorofluorocarbons
C) 2, 4-Dichlorophenoxyacetic acid
D) argon

glisten   62   1 Reply

Poala

This type of forest is disappearing fastest.

This type of forest is disappearing fastest.

This type of forest is disappearing fastest.
A) great oaks
B) kelp
C) tropical
D) maple

lisa_lordes   83   1 Reply

R.Frant

If we wished to reduce global climate change, which of the following would not be targeted for ...

If we wished to reduce global climate change, which of the following would not be targeted for ...

If we wished to reduce global climate change, which of the following would not be targeted for reduction?
A) nitrous oxide
B) nitrogen
C) carbon dioxide
D) methane

lisa_lordes   65   1 Reply

Poala

The increase and decrease of individuals in a population around the carrying capacity in response to ...

The increase and decrease of individuals in a population around the carrying capacity in response to ...

The increase and decrease of individuals in a population around the carrying capacity in response to resource availability and other environmental factors is known as which growth pattern?
A) logistic growth
B) death rate
C) exponentia

glisten   64   1 Reply

Poala

Many forest plants and animals have been found to have chemicals in them that can be used for ...

Many forest plants and animals have been found to have chemicals in them that can be used for ...

Many forest plants and animals have been found to have chemicals in them that can be used for medicines. Which of the following is least helpful in preserving this resource?
A) limiting new housing developments
B) encouraging paper and wood

lisa_lordes   87   1 Reply

R.Frant

The ozone in the atmosphere can be damaged by which of the following?

The ozone in the atmosphere can be damaged by which of the following?

The ozone in the atmosphere can be damaged by which of the following?
A) chlorine
B) carbon dioxide
C) methane
D) oxygen

lisa_lordes   55   1 Reply

Poala

Generally, the homicide rate is higher in cities with large populations than in smaller ...

Generally, the homicide rate is higher in cities with large populations than in smaller ...

Generally, the homicide rate is higher in cities with large populations than in smaller municipalities. How, then, would you characterize homicides as population-controlling factors?
A) They are unlike parasites.
B) They are unlike famine.

lisa_lordes   61   1 Reply

Poala

Of the following, the most important cause of deforestation is ________.

Of the following, the most important cause of deforestation is ________.

Of the following, the most important cause of deforestation is ________.
A) farming
B) fires caused by lightening
C) city expansion
D) continental drift

lisa_lordes   97   1 Reply

Poala

Overgrazing transforms marginal farmlands to deserts, a process called ________.

Overgrazing transforms marginal farmlands to deserts, a process called ________.

Overgrazing transforms marginal farmlands to deserts, a process called ________.

lisa_lordes   85   1 Reply

Poala

In ________ countries, the doubling time is often small.

In ________ countries, the doubling time is often small.

In ________ countries, the doubling time is often small.

glisten   48   1 Reply

Poala

Irrigating land can lead to a buildup of salt in the soil called ________.

Irrigating land can lead to a buildup of salt in the soil called ________.

Irrigating land can lead to a buildup of salt in the soil called ________.

glisten   56   1 Reply

Poala

________ spread more easily in crowded conditions than in places with a sparser population. Thus, ...

________ spread more easily in crowded conditions than in places with a sparser population. Thus, ...

________ spread more easily in crowded conditions than in places with a sparser population. Thus, these are density-dependent regulating factors.

lisa_lordes   61   1 Reply

Poala

________ are events that bring about death that are not related to the density of individuals in a ...

________ are events that bring about death that are not related to the density of individuals in a ...

________ are events that bring about death that are not related to the density of individuals in a population.

lisa_lordes   51   1 Reply

R.Frant

Population increases may be stopped by reduced resources or by the buildup of ________.

Population increases may be stopped by reduced resources or by the buildup of ________.

Population increases may be stopped by reduced resources or by the buildup of ________.

lisa_lordes   71   1 Reply

R.Frant

The ________ drift up to the stratosphere, where UV radiation causes them to break down to their ...

The ________ drift up to the stratosphere, where UV radiation causes them to break down to their ...

The ________ drift up to the stratosphere, where UV radiation causes them to break down to their atomic form, one of which breaks down ozone.

lisa_lordes   49   1 Reply

R.Frant

________ are events that have a greater impact on the population as conditions become more crowded.

________ are events that have a greater impact on the population as conditions become more crowded.

________ are events that have a greater impact on the population as conditions become more crowded.

lisa_lordes   69   1 Reply

R.Frant

Discuss some of the factors that cause population size to fluctuate around the carrying capacity.

Discuss some of the factors that cause population size to fluctuate around the carrying capacity.

Discuss some of the factors that cause population size to fluctuate around the carrying capacity.

lisa_lordes   85   1 Reply

Poala

That carton of milk has been sitting in the refrigerator for several weeks, and everyone in your ...

That carton of milk has been sitting in the refrigerator for several weeks, and everyone in your ...

That carton of milk has been sitting in the refrigerator for several weeks, and everyone in your house has been complaining about it-it is FULL of bacteria! Predict what will happen to those bacteria as time goes on.

lisa_lordes   73   1 Reply

R.Frant

Baja California is a relatively dry Mexican state but has begun to desalinate seawater for the ...

Baja California is a relatively dry Mexican state but has begun to desalinate seawater for the ...

Baja California is a relatively dry Mexican state but has begun to desalinate seawater for the eastern and driest part of the state. If you were one of the managers of an irrigation project using this water, what measures would you adopt?

lisa_lordes   70   1 Reply

Poala

Why is the sense of smell associated with memories and emotions?

Why is the sense of smell associated with memories and emotions?

Why is the sense of smell associated with memories and emotions?

lisa_lordes   60   1 Reply

R.Frant

If you listen to a rock band at 130 dB, it may cause irreversible hearing damage. In contrast, ...

If you listen to a rock band at 130 dB, it may cause irreversible hearing damage. In contrast, ...

If you listen to a rock band at 130 dB, it may cause irreversible hearing damage. In contrast, tasting a boiling hot soup may burn your tongue but does not cause permanent damage. How can you explain this difference?

glisten   80   1 Reply

R.Frant

________ is a condition caused by Graves' disease, in which the eyes protrude because of tissue ...

________ is a condition caused by Graves' disease, in which the eyes protrude because of tissue ...

________ is a condition caused by Graves' disease, in which the eyes protrude because of tissue accumulation behind them.

glisten   68   1 Reply

Poala

Hormones responsible for the fight-or-flight response are produced in the ________.

Hormones responsible for the fight-or-flight response are produced in the ________.

Hormones responsible for the fight-or-flight response are produced in the ________.

lisa_lordes   76   1 Reply

Poala

The ________ is a shield-shaped structure in the front of the neck that is deep red in color because ...

The ________ is a shield-shaped structure in the front of the neck that is deep red in color because ...

The ________ is a shield-shaped structure in the front of the neck that is deep red in color because of its extensive blood supply.

lisa_lordes   44   1 Reply

R.Frant

Mamadou has started to experience severe pain due to kidney stones, which he has developed for the ...

Mamadou has started to experience severe pain due to kidney stones, which he has developed for the ...

Mamadou has started to experience severe pain due to kidney stones, which he has developed for the first time in his life. A bone scan shows that his bones are losing calcium at an alarming rate and becoming weakened. Based on the information in this

lisa_lordes   56   1 Reply

R.Frant

You are worried about your friend Mary, a type 1 diabetic. She is nauseated, short of breath, tired, ...

You are worried about your friend Mary, a type 1 diabetic. She is nauseated, short of breath, tired, ...

You are worried about your friend Mary, a type 1 diabetic. She is nauseated, short of breath, tired, and confused. She says not to worry because she just has a case of the flu. What diagnostic test should you urge her to perform to make sure that the

lisa_lordes   68   1 Reply

R.Frant

Tunde is worried that she has diabetes since a lot of her family has it. Which of the following ...

Tunde is worried that she has diabetes since a lot of her family has it. Which of the following ...

Tunde is worried that she has diabetes since a lot of her family has it. Which of the following blood findings would set her mind most at ease?
A) 90 mg/dl glucose
B) 30% Hb A1c hemoglobin
C) 400 mg/dl glucose
D) 9% Hb A1c hemoglo

lisa_lordes   132   1 Reply

R.Frant

Shabir has been diagnosed with diabetes mellitus type 2 and will have his blood tested within the ...

Shabir has been diagnosed with diabetes mellitus type 2 and will have his blood tested within the ...

Shabir has been diagnosed with diabetes mellitus type 2 and will have his blood tested within the next 2 weeks. He has been warned by his physician to stay on a specific diet, but he loves desserts that are not on his recommended treatment plan. You

glisten   117   1 Reply

R.Frant

Sometimes the immune system overreacts from exposure to a normally harmless substance such as cat ...

Sometimes the immune system overreacts from exposure to a normally harmless substance such as cat ...

Sometimes the immune system overreacts from exposure to a normally harmless substance such as cat hair. Subsequent exposure to this allergen elicits a massive inflammatory response. Because the chemical histamine is the cause of this inflammation, wh

glisten   98   1 Reply

R.Frant

Neutrophils engulf microbes by phagocytosis to fight an infection. Normally, they perform this ...

Neutrophils engulf microbes by phagocytosis to fight an infection. Normally, they perform this ...

Neutrophils engulf microbes by phagocytosis to fight an infection. Normally, they perform this function for some time but then die off. These dead cells and other foreign materials form pus. Which cells then clean up all the dead neutrophils?
A)

lisa_lordes   65   1 Reply

Poala

A doctor is treating a patient who has some form of anemia. First, the doctor tries to give the ...

A doctor is treating a patient who has some form of anemia. First, the doctor tries to give the ...

A doctor is treating a patient who has some form of anemia. First, the doctor tries to give the patient extra vitamins that contain iron, to no effect. There is no evidence of lead poisoning. The doctor tries an injection of vitamin B12, and the anem

glisten   101   1 Reply

Poala

A disease is characterized by an abnormally high number of red blood cells. This disease makes the ...

A disease is characterized by an abnormally high number of red blood cells. This disease makes the ...

A disease is characterized by an abnormally high number of red blood cells. This disease makes the blood thick and hard to pump, and it tends to clog up the vascular system. Athletes sometimes try to mimic this by an illegal practice in an attempt to

lisa_lordes   67   1 Reply

Poala

A child has a bicycle accident and is rushed to the ER. The doctors stop the bleeding, but the child ...

A child has a bicycle accident and is rushed to the ER. The doctors stop the bleeding, but the child ...

A child has a bicycle accident and is rushed to the ER. The doctors stop the bleeding, but the child needs a transfusion. Fortunately, the patient is AB-positive, so the doctors can give him ________.
A) AB negative or positive only
B) O ne

lisa_lordes   133   1 Reply

R.Frant

A drug called Coumadin interferes with the action of vitamin K in the liver. What effect will ...

A drug called Coumadin interferes with the action of vitamin K in the liver. What effect will ...

A drug called Coumadin interferes with the action of vitamin K in the liver. What effect will Coumadin have on blood clotting mechanisms?
A) The liver will not be able to produce needed clotting factors.
B) Vitamin K will not be absorbed fr

glisten   72   1 Reply

R.Frant

An embolus could block blood flow to the ________, resulting in a myocardial infarction, or it may ...

An embolus could block blood flow to the ________, resulting in a myocardial infarction, or it may ...

An embolus could block blood flow to the ________, resulting in a myocardial infarction, or it may block blood in the ________ and cause a stroke.
A) heart; brain
B) heart; kidney
C) brain; heart
D) brain; kidney
E) liver; ki

glisten   64   1 Reply

Poala

Plasma ________ make up about 7% of the plasma and help balance water flow between the blood and the ...

Plasma ________ make up about 7% of the plasma and help balance water flow between the blood and the ...

Plasma ________ make up about 7% of the plasma and help balance water flow between the blood and the tissues.

glisten   125   1 Reply

R.Frant

A person who cannot make enough of the plasma protein ________ might have problems with water ...

A person who cannot make enough of the plasma protein ________ might have problems with water ...

A person who cannot make enough of the plasma protein ________ might have problems with water balance.

lisa_lordes   63   1 Reply

Poala

Unlike white blood cells, mature red blood cells lack a(n) ________.

Unlike white blood cells, mature red blood cells lack a(n) ________.

Unlike white blood cells, mature red blood cells lack a(n) ________.

lisa_lordes   109   1 Reply

Poala

Someone who loses the ability to make blood cells might need a transplant of the porous connective ...

Someone who loses the ability to make blood cells might need a transplant of the porous connective ...

Someone who loses the ability to make blood cells might need a transplant of the porous connective tissue known as ________ from a close relative.

glisten   68   1 Reply

R.Frant