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MrRissso [65]
3 years ago
14

3. Summarize why the definition of species had changed over time

Biology
1 answer:
Tasya [4]3 years ago
3 0

Answer:

Originally, the distinction was based on morphological differences. However, it soon became that some types of organisms had different forms at various stages in their lives, here is why

Explanation:

changed genes is passed on to the next generation. Most mutations are bad, but some of them make the organism more successful in its life. Organisms that inherit that favorable new gene are likely to become more abundant than others of the species. (geologic times)

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How many chlorine atoms are there in the molecule NiCl2
olchik [2.2K]

Answer:

2, that’s what the 2 means.

Explanation:

4 0
2 years ago
In chickens, comb shape is determined by genes at two loci (R, r and P, p). A walnut comb is produced when at least one dominant
mariarad [96]

Answer:

in the obtained options, there is no dominant gene for the crossed pairs, therefore, no answer would be correct, however, when assigning a dominant character to the P gene, the correct answer would be:

E. Rr pp *rrPp

Explanation:

According to the information obtained we deduce:

Comb shape is produced by R and P

Comb of walnuts with an R or a P

Pink comb: 1 dominant P and R at the first locus and 2 recessive at the next locus

Pea comb: 2 recessive at the start and one dominant in the next position

1 single comb: 2 recessive at both loci

Rr pp × rr Pp will produce from the interbreeding: 2 walnuts, 1 single and 1 pea offspring.

We deduce that for the pink comb the genotype is: Rrpp

and for the pea comb it is rrPp

Rr pp × rr Pp generates crosslinks containing RrPp, rrPp, rrpp as children in a 2: 1: 1 ratio.

4 0
3 years ago
what is a solvent? a substance that can dissolve other substances, a substance that is more dense than its solid form
yan [13]

Answer:

a substance that can dissolve other substances

Explanation:

i just know this stuff. hope this helps and please mark as brainiest

3 0
3 years ago
Which member of the food chain would limit the growth of the antelope population in the African savanna?
finlep [7]

   Lion, Spotted hyena, African wild dog, Leopard, Cheetah, and probably crocodillians. Hope this helped!

8 0
3 years ago
Where does the growth of plants occur.
Temka [501]

Answer:

the tips of the steams and roots, also known as an apices

4 0
2 years ago
Read 2 more answers
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