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makvit [3.9K]
3 years ago
8

Determining the likelihood of two samples with the same characteristics being from two different sources is calculating

Biology
1 answer:
Artyom0805 [142]3 years ago
6 0

<u>Answer:</u>   Comparison

<em>Comparison is the determining the likelihood of two samples with the same characteristic being from two different sources.</em>

<u>Explanation:</u>

While comparison is made there is always a certain similar character taken which are common in nature. After <em>the two topics are placed in front then decision can be made easily on various basis. </em>

Comparison does gives the <em>definition for the good and the bad, pretty and ugly.</em> It can also be sued in a negative way to dominate someone.

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Que semejanzas y diferencias tiene el microscopio y el de Robert hooke
Sphinxa [80]

Answer:

- Microscopio de Robert Hooke: Aumento de 30X; monocular; con soporte rudimentario; enfoque de objetos transparentes y opacos

- Microscopio óptico actual: más sofisticado, binocular; compuesto por tres sistemas: sistema mecánico, sistema óptico (hasta 1.500 aumentos 1500 X), y sistema de iluminación.

Explanation:

El microscopio óptico fue el primer microscopio y marcó una nueva era en la biología y la medicina, siendo fundamental para la observación de estructuras celulares y subcelulares, lo cual permitió el desarrollo de diversas teorías tales como, por ejemplo, la teoría celular. La característica más importante compartida por los microscopios ópticos es el uso de la luz visible para visualizar las muestras. Los microscopios ópticos rudimentarios fueron popularizados en el siglo XVII, a partir del uso de Galileo Galilei. Posteriormente, en 1665, el científico inglés Robert Hooke usó su microscopio mejorado para observar muestras biológicas. El microscopio de Hooke era monocular y aumentaba la imagen 30 veces (30X), tenía un mejor soporte que los microscopios anteriores más rudimentarios, y podía enfocar tanto objetos transparentes como opacos. Actualmente, los microscopios ópticos están compuestos por tres sistemas: 1-sistema mecánico compuesto por piezas (es decir, una base, platina y brazo) donde están insertadas las lentes, un 2-sistema óptico compuesto por diferentes lentes conocidas como lentes oculares (microscopios binoculares) y lentes objetivos, las cuales permiten el aumento de las imágenes hasta 1.500 (1500X, con uso de aceite de inmersión), y 3-un sistema de iluminación para reflejar, transmitir y regular la intensidad de la luz.

5 0
3 years ago
A population is growing exponentially what can you conclude
storchak [24]

Answer AND Explanation:

Exponential phase is the phase during which growth is rapid. The growth rate is proportional to the amount of material or number of cells of the organism already present. This rapid growth is due to:

  • An increase in number of cells dividing following a geometric progression.
  • Cells having adjusted to the new environment.
  • Food and other factors are not limiting hence cells are not competing for resources.
  • The rate of cell increase being higher than the rate of cell death.

8 0
4 years ago
In a Biology 101 lab, Alex and Samuel were given unknown cells. Through a variety of staining and microscopy techniques, they de
Inessa05 [86]

Answer:

They concluded that the cell is eukaryotic cell.

Explanation:

Prokaryotic and eukaryotic cells are the two types of organisms. Prokaryotic organisms are the organisms made up of prokaryotic cells and eukaryotic organisms are made up of eukaryotic cells.  

Prokaryotic cells do not have a nucleus and other membrane-bound organelle and eukaryotic cells have a nucleus and other membrane-bound organelles like mitochondria.  

Therefore if the cell has mitochondria they must conclude that the cell is eukaryotic because the prokaryotic cell does not have mitochondria as it is a membrane-bound organelle.

6 0
3 years ago
Hominins dating from 500,000 to 200,000 years ago possessing morphological features found in both Homo erectus and Homo sapiens
Mila [183]

Answer:

Archaic Homo sapiens

Explanation:

The evolution of modern species is studied through the fossils found in various parts of the world.

The <em>Homo erectus </em>is the first hominin species which possessed human-like characteristics like bipedalism and they appeared about 2 mya. The first evidence of <em>Homo sapiens</em> fossil belonged to about 1,60000 years ago.

In between them, scientists found some fossils which possess characteristics of both Homo erectus and Homo sapiens, therefore, these fossils were called archaic Homo sapiens. These fossils dated about 300000 years ago.

Thus, Archaic Homo sapiens is correct.

5 0
3 years ago
Which statement about fossils could be used as evidence that evolution by natural selection has been in effect for
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Answer:

D. Fossils of species that no longer exist but are ancestors of current species have been found in rock layers.

Explanation:

3 0
3 years ago
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