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rjkz [21]
3 years ago
12

What is an index fossil

Biology
2 answers:
sasho [114]3 years ago
8 0
An index fossil is  widely distributed fossil, of narrow range in time, regarded ascharacteristic of a given geological formation, used especially indetermining the age of related <span>formations. Hope this helps !</span>
never [62]3 years ago
7 0
A fossil that is useful for dating and correlating the strata in which it is found.
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The biological species concept is least relevant to which of the following groups of organisms?
Luba_88 [7]
<h2>b) is the correct option </h2>

Explanation:

The biological species concept defines a species as a group of individuals living in one or more populations that can potentially interbreed to produce healthy, fertile offspring

  • The biological species concept connects the idea of a species to the process of evolution
  • Because members of a species can interbreed, the species as a whole has a common gene pool, a collection of gene variants
  • In order to be considered to be a single species in the biological species concept, a group of organisms must produce healthy, fertile offspring when they interbreed
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Hence it includes the groups which are reproductively isolated so asexual fungi will be least relevant to this group

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3 years ago
Which of these is not a characteristic of stomata?
EleoNora [17]

Answer:

I believe its C

Explanation:

Hope this helps!  

6 0
3 years ago
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Which statement describes global winds?
Mamont248 [21]

Answer:

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Your first assignment is to provide information to the firm BigMoney Inc, a chemical producer in Kansas interested in using micr
kotykmax [81]

Answer:

Bacteria that  metabolize NO2- to give rise to NH4+ belongs to the family of denitrifying bacteria and nitrate ammonification bacteria such as pseudomonas.

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Denitrifying bacteria uses NO2- as electron aceeptor thus converting the nitrite ion (NO2-) to ammonium ion(NH4+).

              a) The above reaction is a reduction reaction because NO2- or nitrite ion accept electron to generated its reduced form known as ammonium(NH4+).

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