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Murljashka [212]
3 years ago
15

Why is the mixing of fresh water and salt water in the bay important?

Biology
1 answer:
Setler [38]3 years ago
7 0

Answer:

When the salt water is mixed with fresh water,it is called brakish water which have the salinity 0.5 to 35 ppt.

Explanation:

The mixing of fresh and salt water is important for aquatic organisms.

The catadromous fish born in marine habitat but they spend their rest of life in the fresh water where growing and maturation takes place.

Ex- Eel is the common example of catadromous fish.

Like wise,

Anadromous fish born in fresh water and spends their life in the sea and return to fresh water for spawning.

For example Salmon, smelt, shad, are common examples.

Thus mixing of water is important for breeding and growing of these fishes.

More over, the brakish water contain world's most diversified life forms.

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In rabbits, short hair(S) is dominant over long hair(s). What genotype and phenotype ratios are expected from a cross between tw
SOVA2 [1]

Answer:

Genotype                  Phenotype                      

SS                 1/4          Short hair         3/4

Ss                 2/4         Short hair          3/4

ss                  1/4          Long hair          1/4

Explanation:

Both are heterozygous for the trait so we can expect that the cross would be:

Ss x Ss

    S     s

S  SS   Ss

s   Ss   ss

So the resulting off-spring would have the following genotype and phenotype:

1 out of 4 will have a genotype of SS.

2 out of 4 or half will have a genotype of Ss.

1 out of 4 will have a genotype of ss.

But because short hair is dominant the phenotype ratios would differ because Ss and SS would express short hair, so we add up their ration:

Short hair: 1/4 + 2/4 = 3/4

Long hair:  1/4

So in summary:

Genotype                  Phenotype                      

SS                 1/4          Short hair         3/4

Ss                 2/4         Short hair        

ss                  1/4          Long hair          1/4

5 0
3 years ago
Read 2 more answers
Based on what you know about natural selection, which of the following must be true if evolution is the explanation for what the
igor_vitrenko [27]

Answer:

The Grants's research shows that variation  within species increases the likelihood of the species' adapting to and surviving the environmental change.

Explanation:

The beaks of individual birds can change depending on what food is available.

Over time, individuals can evolve to better fit the environment by changing heritable traits.

Beak depth and length must affect survival and/or reproduction of birds.

 Beak depth and length must be heritable.

Beak depth and length must show variation among individuals of a single species.

8 0
3 years ago
Which two animals are closely related the most? Blue whale, ferret, domestic cat or a bobcat? How ?
polet [3.4K]
The domestic car and bobcat I believe , they are both in the cat family.
4 0
3 years ago
Consider a culture medium on which only gram-positive organisms such as Staphylococcus aureus colonies can grow due to an elevat
riadik2000 [5.3K]

Answer:

selective and differential medium .

Explanation:

Based on the information provided within the question it seems that this type of medium would be referred to as a selective and differential medium . This is because such high NaCL levels are designed to stimulate and allow selective bacteria to grow, while also differential media because the fermented sugar is giving off a yellow halo which allows for the differentiate between the bacteria.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

7 0
3 years ago
Mutations can occur in the chromosomes of all types of cells. mutations that are passed on to offspring must occur in ?
Arturiano [62]
<span>Some mutations don't have any noticeable effect on the phenotype of an organism. This can happen in many situations: perhaps the mutation occurs in a stretch of DNA with no function, or perhaps the mutation occurs in a protein-coding region, but ends up not affecting the amino acid sequence of the protein.</span>
7 0
3 years ago
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