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Allushta [10]
2 years ago
15

Which element provides strength to the exoskeletons of clams and oysters?

Biology
1 answer:
VLD [36.1K]2 years ago
7 0
Calcium Carbonate and Phosphorus. 
I had this on my biology test last week. 
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A coastal area that once supported a thriving fishing industry is overfished. The number of species found living in the marine e
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Answer:

The answer is "Building artificial reefs and limiting fishing activity".

Explanation:

A variety of different methods could be used to construct an artificial island, which is most habitats are built to create a coral through using raw parts, and farming is the farming company, both "the creation of artificial reefs and restriction of fisheries" the activities are used to control environmental ecosystems throughout the region.

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1 year ago
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Fruit flies have eight pairs of chromosomes. Calculate the genetic possibilities from independent assortment of a zygote made fr
Furkat [3]

Answer:

256

Explanation:

If there are 2 pairs of chromosomes Aa and Bb, there are 4 possibilities for independent assortment of gametes:

A w B, aith with b, A with b and a with B.

If there are 3 pairs of chromosomes Aa, Bb and Cc, there are 8 possibilities:

ABC, abc, ABc, Abc, aBC, aBc, abC, AbC

This corresponds to 2^n, where n= the number of chromosomes.

Therefore, with 8 chromosomes, the possibilities are 2^8 = 256

This is for each parent.

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2 years ago
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Leer el siguiente texto.
Alla [95]

Answer:

The stimuli are sun rays  

The response is the instinctive bee movement to the hive

The route is determined by the position of the sun

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It is possible that this behavior is important because it may be associated with the time that bees need to arrive at the hive before the sun goes down

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Maximizing distance between yourself and the patient helps protect you from radiation. exposure to radiation is extremely small
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Answer is 6 feet away

This applies to patients who have received a radioactive substance during their treatment, especially for cancer. An example is a patient who has been prescribed radioactive iodine for treatment of hyperthyroidism. Maintaining a safe distance of approximately 6 feet from the patient minimizes exposure to the radiation.
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