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timama [110]
3 years ago
9

Estuaries are important to humans as a source of A. Plants for food B. Table salt C.drinking water

Biology
2 answers:
Tju [1.3M]3 years ago
6 0
A great deal of salt can be extracted from wedges in estuaries. 
inna [77]3 years ago
3 0
The correct answer is C) Drinking water. Hope this helps.
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How does extinction reduce biological diversity on earth?
Natalka [10]
Extinction of species reduces the number of different species in ecosystems, hence lowering the diversity of living things.
4 0
3 years ago
In a plant called jimsonweed, flowers can be white or purple. A jimsonweed plant with white flowers is crossed with a jimsonweed
STALIN [3.7K]

<u>Answer:</u>

Although statements are not given in the question, we could make the most possible deduction as follows:

The allele for purple flowers is dominant whereas allele for white flowers is recessive.

<u>Explanation:</u>

According to the question,

  1. Purple flower plant was crossed with white flower plant.
  2. All offsprings have purple flowers.

Here we have one possibility that both parents were homozygous but in their own traits. <u>Purple flower</u> plants were "PP" and white <u>flower plants</u> were "pp" So, the <u>first progeny</u> (direct offsprings) would have "Pp". So, as per considerations, purple is dominant allele which will mask the recessive allele thus defining the color of all offsprings as purple. However, further cross of their generation will definitely end up into purple and white flowers (3:1) but this condition is not mentioned in the statement.

8 0
3 years ago
In a species of snail, dark-shelled individuals are better hidden from bird predators in the shady forest, while light-shelled i
Harrizon [31]

Answer:

C. Disruptive Selection

Explanation:

Disruptive selection occurs when two extremes of continuous variation are favored more than intermediate traits.  

The extremes of continuous variation exhibited in this species of snail is the color of their shell which allows them to blend with the background of their habitat.  

The shady forest of the habitat makes the dark-shelled individuals to be better hidden from bird predators, while the light-shelled individuals are better hidden in well-lit brushy edge areas. This disruptive coloration exhibited by both individuals makes both individuals of this species of snail less vulnerable to predation.  

Both individuals of this species both extremities would naturally survive in this habitat as snails with intermediate extremities would be highly preyed on since there is no area of intermediate brightness in the habitat to make them invisible to predators

3 0
3 years ago
Why are the layers in the rock important?​
Viktor [21]

Answer:

Explanation:

 Why are layers of rocks related to each other?

Layering, or bedding, is the most obvious feature of sedimentary rocks. ... This Law of Superposition is fundamental to the interpretation of Earth history, because at any one location it indicates the relative ages of rock layers and the fossils in them. Layered rocks form when particles settle from water or air.

3 0
3 years ago
Many human genes are known to have homologs in the mouse genome. One approach to investigating human hereditary disease is to pr
AURORKA [14]

Answer:

Part A....B

Part B....C

Explanation:

It should be understood that Mice are always first used to clinical test especially for drugs or other things that are supposed to be for human use, this is because Mice and human genetic disorders have arisen from conserved and related evolutionary processes. Therefore, when the clinical trial or test produces a positive result in the Mice, it is almost certain that the result will be the same in human.

Now in part B. When the result result is different, it might be because of the differences in anatomy and physiology might hide or change development and symptoms of disease. And that is the reason why, the result of a particular drug differs from person to person.

3 0
3 years ago
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