Number of known species of organisms on this earth is

Number of known species of organisms on this earth is
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Number of known species of organisms on this earth is A. 5.0 million B. 3.2 million C. 1.7 million D. 1.32 million
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Biomagnification means increase in the (A) concentration of pollutants in living organisms (B) number of species (C) size of living organisms (D) biomass

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$ Nitrogen fixing bateria always live in symbiosis. ! Symbiosis occurs between the organisms of the same species.

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What type of organisms is species a difficult term to defined?

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Description : Why is it important for organisms of the same species to have a diversity of genes?

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A species of flu has two alleles for the length of their legs. The allele for long leg is dominant, and is represented by p. The allele for short legs is recessive, and is represented by q. If 33 of 100 organisms have short legs, what is p?

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A species of flu has two alleles for the length of their legs. The allele for long leg is dominant, and is represented by p. The allele for short legs is recessive, and is represented by q. If 33 of 100 organisms have short legs, what is p?

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The phosphate solubilizer species of micro organisms is

Description : The phosphate solubilizer species of micro organisms is

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the most diverse and prevalent organisms on earth are -General Knowledge

Description : the most diverse and prevalent organisms on earth are -General Knowledge

Last Answer : This answer was deleted by our moderators...

The first organisms to appear on Earth were chemoheterotrophs or chemoautotrophs ? -Biology

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First organisms to evolve on the earth were :

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$ Life on earth originated by interaction of the various chemical substances in the broth of the sea. ! The first organisms were, pherhaps the chemoau

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Are reservoirs that chemical elements can move through as part of the Earth's biogeochemical cycle I.the solid Earth II.Earth's oceans III.Earth's atmosphere IV.organisms on Earth?

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In what way are are living organisms on earth similar?

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What Multi cell living organisms have lived on earth for how many years?

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What is the most likely consequence if a group of living organisms is unable to adapt to changing conditions within the Earth system?

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What organisms about half of the oxygen on earth?

Description : What organisms about half of the oxygen on earth?

Last Answer : trees

What is the evidence that the first life on earth was simple, single-celled organisms?

Description : What is the evidence that the first life on earth was simple, single-celled organisms?

Last Answer : microfossils

Biosphere refers to – (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Description : Biosphere refers to - (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans ... land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Last Answer : (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms Explanation: The biosphere is the global ecological system integrating all living beings ... up of the parts of Earth where life exists. It is the worldwide sum of all ecosystems.

The food chain refers to the transfer of energy from : (1) the interior of the earth to the surface (2) lower to higher latitudes (3) one organism to another (4) organisms of the land to those of the sea by means of river

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Exobiology deals with the study of - (1) external characters of living organisms (2) life on the surface of the earth (3) life in the outer layers of atmosphere (4) life in other planets and space

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Last Answer : (4) life in other planets and space Explanation: Exobiology is the branch of science that deals with the possibility and likely nature of life on other planets or in space. The primary ... processes leading to the origin evolution and distribution of life on Earth or elsewhere in the universe.

The first photosynthetic oxygen liberating organisms to appear on earth were (1) Cyanobacteria (2) Bryophytes (3) Green algae (4) Bacteria

Description : The first photosynthetic oxygen liberating organisms to appear on earth were (1) Cyanobacteria (2) Bryophytes (3) Green algae (4) Bacteria

Last Answer : (1) Cyanobacteria Explanation: Cyanobacteria or blue green algae were the photosynthetic organisms that lived in the ancient ocean. It liberated the oxygen found in the iron oxide.

Following are the two statements regarding the origin of life. (A) The earliest organisms that appeared on the earth were non-green and presumably anaerobes. (B) The first autotrophic organisms were the chemoautotrophs that never released oxygen. Of the above statements which one of the following options is correct? (a) Both (A) and (B) are correct. (b) Both (A) and (B) are false. (c) (A) is correct but (B) is false. (d) (B) is correct but (A) is false.

Description : Following are the two statements regarding the origin of life. (A) The earliest organisms that appeared on the earth were non-green and presumably anaerobes. (B) The first autotrophic organisms were the chemoautotrophs that ... ) is correct but (B) is false. (d) (B) is correct but (A) is false.

Last Answer : (a) Both (A) and (B) are correct.

The organisms responsible for the characteristic musty or earth odor of a freshly plowed fieldis/are A.Nocardia B.Streptomyces C.Micromonospora D.all of these

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Last Answer : D.all of these

“There are more living organisms in a teaspoonful of soil than there are people alive on Earth.”

Description : “There are more living organisms in a teaspoonful of soil than there are people alive on Earth.”

Last Answer : Soil is alive! Much more than a prop to hold up plants, healthy soil is a jungle of creatures eating, digesting, and reproducing their way toward soil fertility – without them, our food and plant life would not grow.

“There are more living organisms on the skin of each human than there are humans on the surface of the earth.”

Description : “There are more living organisms on the skin of each human than there are humans on the surface of the earth.” 

Last Answer : It's estimated that there are 50 million bacteria per cm2 of average human skin, which equates to 100 billion for the average human body. Then there are all the other microorganisms, such as ... the human skin. Usually these creatures will do no harm, they will just be microscopically ever-present.

Exobiology deals with the study of : (1) external characters of living organisms (2) life on the surface of the earth (3) life in the outer layers of atmosphere (4) life in other planets and space

Description : Exobiology deals with the study of : (1) external characters of living organisms (2) life on the surface of the earth (3) life in the outer layers of atmosphere (4) life in other planets and space

Last Answer : life in other planets and space

Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Description : Biosphere refers to (1) the area of the land inhabited by living organism (2) the part of ocean inhabited by plants and animals (3) the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms (4) the atmosphere surrounding the living organisms

Last Answer : the portion of the earth, including the oceans, the land, the soil and the atmosphere inhabited by living organisms

The food chain refers to the transfer of energy from : (1) the interior of the earth to the surface (2) lower to higher latitudes (3) one organism to another (4) organisms of the land to those of the sea by means of river

Description : The food chain refers to the transfer of energy from : (1) the interior of the earth to the surface (2) lower to higher latitudes (3) one organism to another (4) organisms of the land to those of the sea by means of river

Last Answer : one organism to another