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MrRissso [65]
3 years ago
6

From where do the gems used in jewelry come?

Biology
2 answers:
mr_godi [17]3 years ago
8 0
I believe the answer would be C. pleas brainliest

aniked [119]3 years ago
8 0

C. would be the right answer here

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Which type(s) of cell division (mitosis, meiosis l, meiosis Il) reduce(s) the chromosome number by half? Which type(s) of cell d
PSYCHO15rus [73]

Answer:

Which type(s) of cell division reduce(s) the chromosome number by half?

                           Meiosis l

Which type(s) of cell division can be classified as reductional?  

                            Meiosis I

Which type(s) of cell division can be classified as equational?

                           Mitosis and Meiosis II

Explanation:

Meiosis is a type of cell division which occurs in the germ or reproductive cells to produce gametes. It is completed in the two stages, meiosis I and meiosis II.  The cells which are going to divide by meiosis are diploid having two sets of chromosomes. Meiosis I is the first stage of the meiosis. At the end of meiosis I two daughter cells are formed having only 1 set of chromosomes and chromosome numbers are reduced to half. Thus, meiosis I is a reductional division.  

Mitosis and meiosis II is the equational division as after division chromosome number remains the same as in the parent.  

6 0
3 years ago
Which question did Charles Darwin attempt to answer?
bogdanovich [222]

Answer:B

Explanation:

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3 years ago
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The many species of tree frogs that inhabit forests in the eastern US maintain their genetic isolation from other species by sev
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Answer:

b. behavioral isolation

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It is a type of reproductive barrier that can lead to speciation. Behavioral behavior, such as mating rituals as in when two populations of the same species show some difference in behavior, typically in mating rituals

and signals.

8 0
3 years ago
The physical characteristics of an organism is its: phenotype. genotype. alleles. gametes.
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The physical characteristics of an organism is its phenotype. I remember this because phenotype and physical both start with 'ph.'

Hope this helps. Good luck! :)
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How many barrels of crude oil are used each day?
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19.69 million barrels per day.
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