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GalinKa [24]
3 years ago
8

The world's high rate of coal consumption is causing many negative impacts

Biology
1 answer:
LUCKY_DIMON [66]3 years ago
6 0

Answer:

idk lol the answer is A i did it

Explanatiion: By finidng ways to use less elctricty we use less energy and less coal causing eocnomic gain

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Sex chromosomes are:
LenaWriter [7]

Answer:

D. the 23rd pair of chromosomes

Explanation:

Humans have a total of 23 pairs of chromosomes. Out of a total of 23 pairs, 22 pairs are autosomes. Autosomes are the chromosomes that carry the genes for all the genetic traits but are not involved in the sex determination of the individuals.

The 23rd pair of chromosomes in humans is of sex chromosomes as these chromosomes carry the genes to regulate the gender of the individuals. A human female has two copies of the X chromosome as sex chromosomes while human males have one X and one Y chromosome as their sex chromosomes. The Y chromosome carries "SRY" gene that codes for testes determining factor and regulates the development of testes in the embryo.

6 0
3 years ago
In 1990, Carl Woese introduced the three-domain system for classifying living things, after the advancement of DNA analysis allo
alekssr [168]
<h2>Evolutionary analysis of organisms</h2>

Explanation:

  • Some organisms, which were characterized together determined to genetically very different .
  • Using the analysis of RNA developed by Carl Woese, scientists are now able to classify  the human evolution
  • living things based on genetic information instead of expressed characteristics.
  • Genetic  information is more specific and can give clues as to the evolutionary ancestry of  organisms.
  • That is the reason adding of various domains in previous system of classification is allowed for a comparison of species genetic code

3 0
3 years ago
There was a change in the environment between
olga nikolaevna [1]

These changes are likely genetic mutations

<h2>Further Explanation </h2>

Evolution is the process of change in all life forms from one generation to the next, and evolutionary biology studies how this evolution takes place. Every generation of organisms inherits traits owned by their parents through genes. <u><em>Changes (called mutations)</em></u> in this gene will produce new traits in the offspring of an organism. In an organism's population, some traits will become more common, while others will disappear. traits that help the survival and reproduction of organisms will be more likely to accumulate in a population than unfavorable traits. This process is called natural selection. The income of more offspring than the number of parents along with the inheritance of these traits is an additional fact about life that supports the scientific basis of natural selection. In a long time, this isolated population will become a new species.

Learn more

Genetic mutation brainly.com/question/793485

Evolution brainly.com/question/312738

Details

Class: Middle School

Subject: Biology

Keywords: Genetic mutation, evolution

4 0
3 years ago
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100 POINTS AND BRAINLIEST Index fossils give us clues to_______________?
madreJ [45]

Answer:

Index Fossils can be used to identify a specific time period.

Explanation:

8 0
3 years ago
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In order to determine if a food is a good source of a particular nutrient, you should check the _________________ for that nutri
natali 33 [55]

Make sure to note how much a serving is. If the label says there are two servings in the container but you plan on eating the whole thing, you need to multiply all the values (including fiber) listed on the facts by two to know how much of each nutrient you can actually consume.  Every ingredient in a beverage or a food is listed on the package label alongside the Nutrition Facts Label.

6 0
3 years ago
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