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Neporo4naja [7]
3 years ago
13

The haploid cells join during sexual reproduction are called _______?

Biology
1 answer:
maksim [4K]3 years ago
6 0

Answer:

Gametes

Explanation:

Gametes are an organism's reproductive cells. They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome.

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Phenomenon: Miss Westbrook visited family in Aspen last spring. Aspen is in Colorado and has an elevation of 8,000-9,000 feet. T
Ivanshal [37]

This happened due to the low air pressure in the highest areas of Colorado, which made hard the intake of air.

Air pressure is fewer as the elevation in an area increases. In other words, the air over us is less, so the pressure that it makes is lower.

Miss Westbrook's heart rate and breathing sped up due to the low air pressure that she experimented with when ascending or when skiing in Aspen, which is very elevated. As the pressure is lower, not much air can enter the lungs, so her brain increases the breath rate to obtain the same amount of oxygen that her body had when breathing normally on the Bay. As there is not enough oxygen in her body, the brain also increases the heart rate to match the rhythm of the breath and deliver the scarce oxygen to the different parts of the body.

In conclusion, the increase in the heart and breath rate happens due to the low air pressure in elevated areas that makes our body find ways to compensate for the decrease in the amount of oxygen that our body can take.

Learn more at:

brainly.com/question/2739238

8 0
2 years ago
What value do potch opals have? Why?
adell [148]
Idk but i think they have no value because they are basically useless

Hope That HElps:)

4 0
3 years ago
Which trait would best indicate that a particular arthropod was a member of subphylum chelicerata?
cupoosta [38]

Answer:

Two body segments.

Explanation:

  • The trait that would best indicate that a particular arthropod was a member of subphylum chelicerata is that it possess two body segments instead of three;
  • A fused head and thorax (cephalothorax), and an abdomen (opisthosoma).
  • Their segmented body with jointed limbs is covered in a cuticle made of chitin and proteins.

6 0
3 years ago
How does carbon-14 dating work?
Nitella [24]

Answer:

Plants and animals assimilate carbon-14 from carbon dioxide throughout their life. When they die, they stop exchanging carbon with the biosphere and their carbon-14 content begins to decrease at a rate determined by the law of radioactive decay.

Radiocarbon dating is basically a method designed to measure residual radioactivity.

Explanation:

Carbon-14 is a weakly radioactive carbon isotope; It is also known as radiocarbon, and is an isotopic stopwatch.

Radiocarbon dating is only applicable to organic materials and some inorganic materials (not applicable to metals).

Proportional gas counting, liquid scintillation counting, and accelerator mass spectrometry are the three main methods of radiocarbon dating.

The radiocarbon, or carbon-14, is an isotope of the carbon element that is unstable and weakly radioactive. The stable isotopes are carbon-12 and carbon-13.

Carbon 14 is continuously formed in the upper atmosphere by the effect of cosmic ray neutrons on nitrogen-14 atoms, rapidly oxidizing in the air to form carbon dioxide and entering the global carbon cycle.

Accelerator mass spectrometry (AMS) is a modern method of radiocarbon dating that is considered the most efficient way to measure the radiocarbon content of a sample. In this method, the content of carbon-14 is measured directly in relation to carbon-12 and carbon-13 present. The method does not take into account beta particles, but the number of carbon atoms present in the sample and the proportion of the isotopes.

6 0
3 years ago
What part of the brain controls involuntary actions
Mademuasel [1]

the brain stem controls involuntary actions such as breathing, heart beating and blinking.

8 0
3 years ago
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