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trasher [3.6K]
2 years ago
9

What is the name given to the

Biology
2 answers:
Vikentia [17]2 years ago
6 0
The current taxonomic system now has eight levels in its hierarchy, from lowest to highest, they are: species, genus, family, order, class, phylum, kingdom, domain. Thus species are grouped within genera, genera are grouped within families, families are grouped within orders, and so on
erik [133]2 years ago
4 0

Answer:

In the eighteenth century, a scientist named Carl Linnaeus first proposed organizing the known species of organisms into a hierarchical taxonomy. In this system, species that are most similar to each other are put together within a grouping known as a genus.

Explanation:

id.k if this helps but i hope it does

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Which of these factors decreases the rate of a chemical reaction within cells?
andreyandreev [35.5K]
Out of the factors listed, cold temperature decreases the rate of a chemical reaction within cells. This will make the correct answer D. 
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2 years ago
14. Pat and Tracy each have a sibling who has the recessive trait of sickle cell disorder. Neither Pat. Tracy or
Nady [450]

Answer:

Since sickle cell disease is a disorder with an autosomal dominant inheritance pattern, and in light of the lack of data, it could be said that the only way for Pat and Tracy to have a child with sickle cell disease is for both of them to be healthy carriers of the gene, with a 25% probability.

Explanation:

Considering that both Pat and Tracy each have a sibling with a sickle cell trait and that both they and their parents are healthy, it must be assumed that some of their parents are healthy carriers:

  1. Pat and Tracy do not have sickle cell trait. In this case, there is no chance that they will have a child with sickle cell disease.
  2. Either Pat or Tracy has the trait, but the other does not. It is possible that at least one of their children is a healthy carrier.
  3. If both Tracy and Pat have sickle cell trait, the chances of having a child with sickle cell disease are:

Alelles       R         r

R              RR       Rr

r               Rr        rr

RR: healthy (25%).

Rr:  healthy carrier (50%).

rr: sickle cell disease (25%).

<em>If Pat and Tracy are healthy carriers of the gene that determines sickle cell disease, the chance of having a child with the disease is 25%</em>.

Learn more:

Autosomal recesive inheritance brainly.com/question/10605612

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2 years ago
Which statement best contrasts the urinary and excretory systems?
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Tropic of
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I just woke him crying and he said I can’t he just got out here and I don’t know why I was just talking abt it and he was just trying so hard to sleep in his
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predict the shape of a population growth curve for a game park in which a male and female rhinoceros are released
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Nearly flat. Rhinos don't really reproduce rapidly.
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