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Arisa [49]
3 years ago
7

Which of these is an example of a chemical change?

Biology
2 answers:
Alja [10]3 years ago
8 0

Answer:

need to see the examples to help you answer

Explanation:

notsponge [240]3 years ago
6 0

Answer:

Explanation:

Plz be more specific

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They have harvested potato's carrots, and more for it was thanksgiving.
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Is anyone an expert about Millipedes? if you are please comment me below
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What do you need to know

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3 years ago
How does the sexual life cycle of the human species introduce genetic variations?
kari74 [83]

Answer:

In humans, genetic variations are caused because humans reproduce by a sexual life cycle which is termed as meiosis. In such a life cycle, the offspring receives half the chromosomes from the mother and half from the father. Crossing over and  random assortment of chromosomes are two phenomenons which occur during meiosis. Due to these two phenomenons, genetic variations are caused.

During crossing over, the exchange of DNA segments between the homologous chromosomes takes place which brings about the genetic variations.

5 0
3 years ago
The actual niche the organism is able to occupy in the presence of competitors is called its:_____________.
ladessa [460]

Answer:

B) realized niche

Explanation:  

The ecological niche refers to all the environmental factors that influence the growth, survival, and reproduction of species. These factors also include the interaction between species. The term ecological niche refers to the fundamental niche or the realized niche.    

  • The fundamental niche refers<u> only</u> to factors or physical conditions under which a species can live and survive in the <u>absence of any interaction with other species. </u>
  • The realized niche refers to the restricted conditions in which a species can live and survive as a result of <u>environmental conditions and the interaction with other species</u><u>. </u>

When an inferior competitor is excluded by the superior competitor, this is known as competitive exclusion. This occurs when there is not habitat differentiation, and both species can not share the same niche. In this case, the effective or realized niche of the dominant species completely occupies the fundamental niche of the inferior competitor.        

 In the exposed example the organism is able to occupy a niche in the presence of competitors, which is the clue for us to classify this niche as a realized niche. The organism needs to interact in a certain way with its competitors. There is an interaction between taxonomic groups, or between individuals.

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3 years ago
A laboratory cat could be made to twitch its whiskers by direct stimulation of the ________ lobes of the cerebral cortex.
bagirrra123 [75]
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