Environmental and Conservation Biology

The establishment of the mosses on bare rock and eventual addition of grasses represents

The establishment of the mosses on bare rock and eventual addition of grasses represents

The establishment of the mosses on bare rock and eventual addition of grasses represents
A) a climax ecosystem.
B) primary succession.
C) secondary succession.
D) intermediate succession.

Alamojay   1366   6 Replies

Greedy Racoon

Hardened soils that have minimal infiltration and aeration may form cryptogamic crusts

Hardened soils that have minimal infiltration and aeration may form cryptogamic crusts

Hardened soils that have minimal infiltration and aeration may form cryptogamic crusts
A) consisting of algae, lichens, and mosses that stabilize the soil surface.
B) consisting of algae, lichens, and mosses that continue to erode the soil

Alamojay   772   6 Replies

Rob Smith

If some current trends and energy strategies continue and succeed over the next few decades, in fift

If some current trends and energy strategies continue and succeed over the next few decades, in fift

If some current trends and energy strategies continue and succeed over the next few decades, in fifty years you might be able to say that you witnessed the shift from
A) an energy-consuming economy to an energy-producing economy.
B) a wind-

Alamojay   1653   6 Replies

elizabeth ngethe

Shade-tolerant plant species are generally found early in succession and are replaced by hardier, ...

Shade-tolerant plant species are generally found early in succession and are replaced by hardier, ...

Shade-tolerant plant species are generally found early in succession and are replaced by hardier, shade-intolerant species. True or False?

tyressjones   609   6 Replies

Tia Sierchio

Which of the following best describes picoheterotrophs?

Which of the following best describes picoheterotrophs?

Which of the following best describes picoheterotrophs?
A) They are anaerobic microorganisms that decompose biomass through fermentation.
B) They carry both photosynthesis and chemosynthesis.
C) They are common microscopic aerobic decomposers in both

stoneskin21   451   6 Replies

MayRay

A nation whose population profile shows the widest bars in the 40 to 60 age groups with narrower ...

A nation whose population profile shows the widest bars in the 40 to 60 age groups with narrower ...

A nation whose population profile shows the widest bars in the 40 to 60 age groups with narrower bars for older and younger age groups most likely reflects
A) an increasing fertility rate.
B) a fertility rate that has declined.
C) the impact of incre

helpmepls   284   6 Replies

Kha Han Ly

The Heat Island Effect of a city, in which the people, buildings, factories, and vehicles in a city ...

The Heat Island Effect of a city, in which the people, buildings, factories, and vehicles in a city ...

The Heat Island Effect of a city, in which the people, buildings, factories, and vehicles in a city give off heat, while simultaneously dark surfaces of buildings and roadways absorb solar energy and release it slowly at night, creating a pocket of h

LeaP   455   6 Replies

Katelyn Peterson

Reforested forest and their potential biodiversity?

Reforested forest and their potential biodiversity?

A quick and short question.

If forests are reforested in the right way when they mature can or do they retain the same ecological values(biodiversity) of the natural forest that was cut down previously?          &n

Nikola Balevic   102   6 Replies

bio_man

"An introduction to behavioural ecology" need this book

"An introduction to behavioural ecology" need this book

i am biplab banerjee, i am urgently need this 2 books, pls any one help me, i am really thanks for this person, book name is "Behavioral ecology" 4th edition By John R. Krebs, Nicholas B. Davies, i see it in google books but not full view a

biplabbanerjee80   4492   5 Replies

bio_man

Are the Bailey and Brown statements consistent with each other? What additional

Are the Bailey and Brown statements consistent with each other? What additional

Are the Bailey and Brown statements consistent with each other? What additional information would you need in order to choose which statement(s) is/are accurate?

colleen   1441   5 Replies

Kim Thomas

The tiny wasp Ooencyrtus kuvanae lays its eggs inside the egg masses of gypsy mo

The tiny wasp Ooencyrtus kuvanae lays its eggs inside the egg masses of gypsy mo

The tiny wasp Ooencyrtus kuvanae lays its eggs inside the egg masses of gypsy moths. When the wasp larvae hatch, they burrow into the gypsy moth caterpillars and eat them from the inside. After they have completed their development, the adult wasps e

colleen   3304   5 Replies

David Antonio Aplicano Ri

Trouble figuring out the null hypothesis

Trouble figuring out the null hypothesis

I am trying to figure out how does one determine what the null hypothesis is between two variables. For example: Determine if there is difference in soil temperature between the prairie and forest microclimates.

How do I determine if the

citron2k1   2277   5 Replies

bond_girl22

Do you think the ozone layers is the reason why we can't see the stars during the day?

Do you think the ozone layers is the reason why we can't see the stars during the day?

When people are on the moon, they are able to see the sun at the same time they are able to see the stars, but here on earth we don't see the stars during the day. Do you thing this is because of ultra-violet rays reflecting off of the ozone layers?

tony1995   497   5 Replies

nytrydaa

Does biology/science now support the statement humans were originally 10 stories tall and shrank over time?

Does biology/science now support the statement humans were originally 10 stories tall and shrank over time?

Islam (through hadiths) states that:

1. The first man Adam was 90 feet tall.
2. The height of human beings has continuously diminished since then.

Islamic scientists confirm this is a biological fact ('bottleneck'), thus proving this statement is

microdavid   663   5 Replies

fishysoup

Do you think intelligence to be a blessing or a curse?

Do you think intelligence to be a blessing or a curse?

Man's intellect has led to many great achievments throughout history and in modern days. We have been to the moon and we understand a great deal about the universe around us and learning more everyday but, our own intellect has also led to the invent

Fisk71   646   5 Replies

nwolverton

Is light potential energy or kinetic energy?

Is light potential energy or kinetic energy?

Hey everybody!

Potential energy is "energy that matter possesses because of its location or structure", right? I've been taught that light energy was kinetic energy. Yet, since light energy is a reactant for photosynthesis a

xanthosine   1207   5 Replies

lbachman

What plants have ethanol or any flammable substance in them?

What plants have ethanol or any flammable substance in them?

We're going to try to make an alcohollamp using plants as gas...as in biofuel...

smotwan   669   5 Replies

lexibop383

why is biofuel research important?

why is biofuel research important?

I have to write a sentence on why is biofuel research important. Please help me.

smokeypal23   559   5 Replies

lexieleighxo

Which one of the following is not an example of predation?

Which one of the following is not an example of predation?

A. a snapping turtle wiggling its worm-like tongue to lure in and consume a fish
B. a hawk swooping down quickly to capture, kill, and eat a prairie king snake
C. a goldfinch feeding on the seeds of a thistle plant
D. a rattlesnake ambushing and e

lephihung1990   1113   5 Replies

nurstu1128

Could a biblical global warming episode possibly have contributed to Noah's Flood?

Could a biblical global warming episode possibly have contributed to Noah's Flood?

C'mon, we have all heard the story about the great flood of Noah's time where it rained for forty days and forty nights and the water covered the entire earth.  Get real here.  Had it indeed rained that much as it rained toward the polar ice caps it

smokin7acehole   357   5 Replies

Hurley

What will Venus temperature be without greenhouse effect?

What will Venus temperature be without greenhouse effect?

Is we eliminate greenhouse effect away from Venus, what would Venus surface temperature be? People said if earth didn't have greenhouse effect then our surface temperature would be 0 F or -30 C. If Venus didn't have the greenhouse effect, would Venus

smooch1020   579   5 Replies

irina

Explain why helium weather balloons, which are used to measure atmospheric conditions at high altitude, are?

Explain why helium weather balloons, which are used to measure atmospheric conditions at high altitude, are?

Explain why helium weather balloons, which are used to measure atmospheric conditions at high altitude, are normally released while filled to only 10%-20% of their maximum volume.
13-14
please help thanks!

rivatayah   666   5 Replies

smoovepapa13

What are your views on growing transgenetic crops?

What are your views on growing transgenetic crops?

To address hunger of poverish people scientists are breeding transgenetic crops that will be drought and pest ressistant and will also have other traits. They will also have higher yield.

JuliaH   296   5 Replies

tono

What are the most common crops that circles have appeared in?

What are the most common crops that circles have appeared in?

exactly what crop has had the distinction of being THE most
common crop where the circles have appeared, sans those that
were proven to be hoaxes.  There IS a link between the crop, its
maturity level and the appearances.  Which crop?  Wheat?

datoledo88   459   5 Replies

lengjacinto

How can you genetically modify crops so that they require less water and land?

How can you genetically modify crops so that they require less water and land?

I read a bit about GMO's, and it said that they could be beneficial in saving water and requiring less land to grow on. How does genetics technology enable crops to require less water and land to grow?

Tonjia   377   5 Replies

julial

What is an organic way to kill/prevent mold on crops?

What is an organic way to kill/prevent mold on crops?

For a food crop to be considered organic, it must not have certain kinds of chemicals used on it during production. Does anyone know of any way to kill or prevent molds on plants that does not invalidate them as an organic food?

I've heard something

datwillis   345   5 Replies

iloveanatomy

Metapopulations, how is each good, many small patches, and one large patch?

Metapopulations, how is each good, many small patches, and one large patch?

Found this site randomly, bioman seems to be pretty popular.  Very nice community. I look forward to helping.  I got stumped on this short answer question.  I know how many small patches are beneficial, but I don't see how one lar

drthsideous   6405   5 Replies

savio

Endagered Species

Endagered Species

Some opponents of endangered species efforts have argued that endangered species recovery is too expensive, stands in the way of individual property rights, and produces little to no results in the recovery of endangered species. Do you agree or disa

Steptim   2349   5 Replies

drthsideous

Sustainable agriculture is characterized by all of the following exdept:?

Sustainable agriculture is characterized by all of the following exdept:?

A) Promoting monoculture
B) Lack of requirements of massive amounts of fossil fuels
C) Conserving and building topsoil
D) Lack of use of many artificial chemicals
E) Promoting Polyculture

n_m_m   481   5 Replies

$abood$

What're a couple of interesting endangered animals?

What're a couple of interesting endangered animals?

I'm doing a project in science about endangered species and we have to present them so i want to choose an interesting animal. I've already seen some lists of animals but i can't pick one. Like if i were present this to you, what would you find inter

nurse1945   413   5 Replies

bufi

Which of the following countries is pursuing a policy aimed at stabilizing popul

Which of the following countries is pursuing a policy aimed at stabilizing popul

Which of the following countries is pursuing a policy aimed at stabilizing populations by urging couples to have only one child?
A) Mexico
B) Kenya
C) Russia
D) China
E) India

barry   4108   5 Replies

gusdn052

Photovoltaic cells are ________. (Multiple Choice)

Photovoltaic cells are ________. (Multiple Choice)

Photovoltaic cells are ________.
A) batteries that fuel automobiles and buses
B) devices that directly convert fuel to electrical currents
C) devices that directly convert sunlight to electrical currents
D) devices that derive ene

barry   4704   5 Replies

bio_man

What is the impact of biodiversity on our environment?

What is the impact of biodiversity on our environment?

What is the impact of biodiversity on our environment? As species become more diverse, are effects taking a good or bad turn?

Is the impact different in different kinds of ecosystem? If yes, in what way?

How do you relate the effects of biodiversit

darlliingohhx   614   5 Replies

dcarter08

Why is there more wildlife in hills?

Why is there more wildlife in hills?

For the most part a lot of hills would seem to have the same vegetation and stuff as if they were flat. So why does there seem to be so much more wildlife in the hills? Like I am specifically talking about Southern Calif like some of the hills in Ora

darlin   390   5 Replies

ratliff_t

A habitat generalist is ________. (Multiple Choice)

A habitat generalist is ________. (Multiple Choice)

A habitat generalist is ________.
A) a species that has highly specialized prey
B) a species with a specific niche
C) a species that can take advantage of habitats that may have no counterpart in nature
D) a species that cannot su

barry   6520   5 Replies

joeyd008

About CO2

About CO2

I know 1 mature tree can store 48 lbs CO2 per year and give 260 lbs O2 per tree per year . So exactly how much CO2 1 tree use per year for photosynthesis and storing process or just only 48 lbs ?

I know grassland absorb 2400 – 3600 lbs CO2

iRock   979   5 Replies

iRock

Why does bacterial colonization proceed slower in marine systems that in freshwa

Why does bacterial colonization proceed slower in marine systems that in freshwa

Why does bacterial colonization proceed slower in marine systems than in freshwater systems?

ehd123   520   5 Replies

padre

The Kyoto Protocol is an international agreement concerning

The Kyoto Protocol is an international agreement concerning

The Kyoto Protocol is an international agreement concerning
A) control of global sea level rise
B) reduction of CFC emissions
C) reduction of carbon dioxide emissions
D) control of pollution that causes acid rain

Hog95   1302   5 Replies

swift383

Why are particulates considered such a significant health hazard?

Why are particulates considered such a significant health hazard?

Why are particulates considered such a significant health hazard?
A) They can cause respiratory problems.
B) Small amounts can be acutely toxic to humans and livestock.
C) They are emitted largely by natural sources.
D) They are c

Hog95   1058   5 Replies

riccoc

Small multiple choice question clarification

Small multiple choice question clarification

The International Whaling Commission (IWC) is an international body set up by the terms of the international Convention for Regulation of Whaling (ICRW) which was signed in Washington, D.C., United States, on 2 December 1946 to "provide for the

Jeddles   704   5 Replies

bio_man