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Kitty [74]
3 years ago
5

The shells of some marine snails are highly variable, with some snail shells being solid and others having stripes. Predation by

birds is a major source of mortality for the snails. Scientists studying these snails found that while 47 percent of the snail population was striped, 56 percent of the snails eaten by birds were striped. What could scientists conclude about the snails?
Biology
2 answers:
11Alexandr11 [23.1K]3 years ago
6 0
That the stripes make the snails less camouflaged  therefore they are more likely to be eaten.<span />
solong [7]3 years ago
3 0

Answer:

Birds have preference to striped snails

Explanation:

The total number of snail with stripes is lesser in number as compared to the total number of snails with solid or no color. Despite this, the birds prefer to feed on snail species that are in minority to the total snail population.  

This represents likeliness of birds to feed on striped snails which constitutes nearly 56 percent.

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If 15% of a DNA molecule is made up of cytosine, what percentage is thymine? Explain your reasoning.
Alex

Answer:

The one with A is 35%

Explanation:

there is usually a 50 50 of cg and at so a would add with 15% to make 50%

3 0
3 years ago
. What characteristics of this Royal Pedigree fit with the expectations for an X-linked, recessive disorder?
denis-greek [22]

X-linked recessive disorders are typically common in males than in females as seen in the Royal pedigree.

<h3>What are X-linked recessive disorders?</h3>

X-linked recessive disorders are disorders which occur as a result of a mutation in the X chromosome.

X-linked recessive disorders are typically common in males than in females.

Females can be carriers but males are always affected when the mutation is present.

Learn more about X-linked recessive disorders at: brainly.com/question/27084648

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6 0
1 year ago
You are studying a population of ground squirrels. You trap 100 individuals and find 9 that have a light colored coat, and the r
Genrish500 [490]

The question is incomplete. Here is the complete question.

You are studying a population of ground squirrels. You trap 100 individuals and find 9 that have a light colored coat and the rest have a dark coat. You know that light coat color is recessive in ground squirrels. What is the allele frequency for the light coat allele  and the dark coat allele? How many of the dark coated individuals do you expect to be heterozygotes at the coat color gene? Assume the population is at H-W equilibrium.

Answer: Allele frequency for light coat: q = 0.3;

              Allele frequency for dark coat: p = 0.7;

             There will be 42 heterozygote;

Explanation: A population in H-W equilibrium is a population which doesn't change from one generation to the next if there are no disturbing factors, as migration or mutation.

It follows the equation: p^{2}+2pq+q^{2}=1.

p represents the frequency of the dominant allele;

q represents the frequency of the recessive allele;

2pq represents heterozygote individuals;

The sum of frequencies of both alleles must be 1, i.e.: p+q=1

For the population of squirrels:

  • Frequency of recessive allele

q^{2} = \frac{9}{100}

q = \sqrt{\frac{9}{100}}

q = 0.3

  • Frequency of dominant allele

p+q=1

p=1-q

p=1-0.3

p = 0.7

  • Frequency of heterozygote

2pq = 2*0.7*0.3 = 0.42

In a population of 100 individuals: 0.42*100 = 42

The allele frequency for the light coat is 0.3; for the dark coat is 0.7.

It is expected to have 42 heterozygote individuals in this population.

3 0
3 years ago
Upon assessing the client's jaw, the nurse finds decreased range of motion and notes crepitus. what would the nurse suspect?
sashaice [31]
The nurse should suspect of a fractured jaw.

The crepitus is a common sign of bone fracture and it's heard when the fractured surfaces of two broken bones rub together.
Also If there is a severe jaw fracture, the patient might experience limited ability to move the jaw or be unable to move it at all.
3 0
3 years ago
When a chemical reaction is moving at a slow rat of speed, what can be done to speed up the reaction
Mama L [17]

Answer:

To speed up the rate of reaction, you could increase the temperature or the concentration of the reactants.

Explanation:

Basically, the idea is to speed up the molecules' movement and to cause them to break apart or collide at greater frequency

7 0
3 years ago
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