General Biology

Which of these options would be the most efficient human food source?

Which of these options would be the most efficient human food source?

Which of these options would be the most efficient human food source?
A) beef
B) soybeans
C) chicken
D) swordfish

lisa_lordes   87   1 Reply

R.Frant

Crop rotation occurs where different types of plants are grown on the land each season. If you had ...

Crop rotation occurs where different types of plants are grown on the land each season. If you had ...

Crop rotation occurs where different types of plants are grown on the land each season. If you had no access to chemical fertilizers, which of the following would be best to include in your rotation cycle?
A) corn
B) tobacco
C) beans

glisten   186   1 Reply

R.Frant

________ describes the number of individuals at each trophic level multiplied by their dry weight.

________ describes the number of individuals at each trophic level multiplied by their dry weight.

________ describes the number of individuals at each trophic level multiplied by their dry weight.

lisa_lordes   143   1 Reply

Poala

The study of the interactions among organisms and between organisms and the environment is called ...

The study of the interactions among organisms and between organisms and the environment is called ...

The study of the interactions among organisms and between organisms and the environment is called ________.

lisa_lordes   218   1 Reply

Poala

The biosphere consists of many ________, each consisting of the organisms in a specific geographic ...

The biosphere consists of many ________, each consisting of the organisms in a specific geographic ...

The biosphere consists of many ________, each consisting of the organisms in a specific geographic area and their physical environment.

lisa_lordes   144   1 Reply

R.Frant

All the potentially interacting species in an ecosystem are said to make up a(n) ________.

All the potentially interacting species in an ecosystem are said to make up a(n) ________.

All the potentially interacting species in an ecosystem are said to make up a(n) ________.

lisa_lordes   112   1 Reply

R.Frant

The progression of species that would take place in an abandoned field is called ________.

The progression of species that would take place in an abandoned field is called ________.

The progression of species that would take place in an abandoned field is called ________.

glisten   88   1 Reply

R.Frant

The recent increase in atmospheric carbon dioxide has produced ________, according to the textbook ...

The recent increase in atmospheric carbon dioxide has produced ________, according to the textbook ...

The recent increase in atmospheric carbon dioxide has produced ________, according to the textbook and most scientists.

lisa_lordes   92   1 Reply

Poala

A(n) ________ is a diagram in which blocks represent each trophic level.

A(n) ________ is a diagram in which blocks represent each trophic level.

A(n) ________ is a diagram in which blocks represent each trophic level.

lisa_lordes   139   1 Reply

R.Frant

The sedimentary rock known as ________ stores carbon deposited by the shells of ocean animals.

The sedimentary rock known as ________ stores carbon deposited by the shells of ocean animals.

The sedimentary rock known as ________ stores carbon deposited by the shells of ocean animals.

lisa_lordes   76   1 Reply

Poala

Two human activities, burning fossil fuels and ________, are important causes of the increase in ...

Two human activities, burning fossil fuels and ________, are important causes of the increase in ...

Two human activities, burning fossil fuels and ________, are important causes of the increase in atmospheric carbon dioxide.

glisten   105   1 Reply

Poala

The process by which light energy is used by plants, algae, and cyanobacteria to form sugar is ...

The process by which light energy is used by plants, algae, and cyanobacteria to form sugar is ...

The process by which light energy is used by plants, algae, and cyanobacteria to form sugar is called ________.

lisa_lordes   79   1 Reply

R.Frant

What are the differences between primary and secondary succession?

What are the differences between primary and secondary succession?

What are the differences between primary and secondary succession?

glisten   120   1 Reply

R.Frant

While a backhoe operator is helping to clear land that will be used for a poultry farm, the ...

While a backhoe operator is helping to clear land that will be used for a poultry farm, the ...

While a backhoe operator is helping to clear land that will be used for a poultry farm, the equipment opens up a hidden chamber in which old electrical transformers have been buried. The operator knows that transformers contain PCBs. Why should this

lisa_lordes   143   1 Reply

Poala

Of the following, the social trend that would cause the fastest population increase is ________.

Of the following, the social trend that would cause the fastest population increase is ________.

Of the following, the social trend that would cause the fastest population increase is ________.
A) decreasing age of first pregnancy
B) more older men getting married
C) declining fecundity
D) lower nutritional values

lisa_lordes   65   1 Reply

Poala

This method of generating energy has in the past resulted in accidents that in turn cause cancer.

This method of generating energy has in the past resulted in accidents that in turn cause cancer.

This method of generating energy has in the past resulted in accidents that in turn cause cancer.
A) hydroelectric
B) nuclear energy
C) biofuels
D) geothermal

lisa_lordes   60   1 Reply

Poala

Air pollution over a long period of time can cause this condition.

Air pollution over a long period of time can cause this condition.

Air pollution over a long period of time can cause this condition.
A) emphysema
B) influenza
C) measles
D) malaria

glisten   87   1 Reply

Poala

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   380   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   81   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   92   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   79   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   78   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   96   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   64   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   72   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   102   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   90   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   58   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   64   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   79   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   59   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   78   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   54   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   81   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   94   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   89   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   82   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   73   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   93   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   79   1 Reply

Poala