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===Ellen. G. White Comments===
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===Comentarios de Elena de White===
Ellen White's book ''Christ's Object Lessons'' can be read online. The pages called out here can be found [http://www.whiteestate.org/books/col/col9.html here].
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El libro de Elena de White, ''Palabras de vida del gran Maeastro'', se puede leer por internet. Las páginas requeridas aquí se puede encontrar en el [https://text.egwwritings.org/publicationtoc.php?bookCode=PVGM&lang=es&collection=56&section=all capítulo 9].
  
 
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Revision as of 13:15, 28 February 2021

Other languages:
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Moluscos
Asociación General

Estudio de la naturaleza


Destreza: 2
Año de introducción: 1938




1

¿Cuál es el significado del término «molusco»?



2

Identificar a partir de conchas o dibujos los siguientes:



2a

Manto


2b

Pie


2c

Dientes


2d

Costillas


2e

Válvula


2f

Margen dorsal


2g

Ápice


2h

Opérculo


2i

Canal




3

¿Se encuentran todos los moluscos en las playas? ¿En qué otro lugar se encuentran? ¿Qué áreas del mundo ofrecen la variedad más grande de conchas?



4

Describir el movimiento de los moluscos de un lugar a otro.


Mollusks have several methods of getting around, depending on the species. Some have tiny hair-like structures on the foot called cilia which they use to propel themselves through a slimy substance they secrete. Others generate waves of motion along the length of the foot. Still others pump water through their shells and let the resulting jet push them forward.


5

¿Cómo los moluscos se protegen a sí mismos?


Mollusks pull the soft portion of their bodies into their shells and seal the entry with their operculum. They can also burrow below the surface of the seafloor, river banks, river bottoms, or lake banks and lake bottoms.


6

¿Cómo están hechas las conchas de los moluscos y de qué materiales están hechas?


Shells are formed when the animal secretes calcium carbonate from the mantel. The calcium carbonate hardens into a shell. The apex of the shell is formed first, and as the animal grows, more is added to the shell at the opening.


7

Enumerar y explicar cinco formas en que son utilizadas las conchas por el hombre.


Shells are used to mark the frets on a guitar's fingerboard

Shells have been used by man in the following ways:

Money
Shells have been used in many cultures as a form of money.
Buttons
Buttons were originally cut from shells. Plastic buttons we use today still resembled the pearly surface of the inside of a seashell.
Adornment
Many cultures made (and make) jewelry from shells. Holes can be drilled into shells to make beads. Shells are also inlaid into wood in an artform called intarsia (also in marquetry and parquetry).
Hair combs
Shells have been cut to shape and used to comb hair.
Fret board markers
The markers (often round dots) between the frets on the fingerboard of a guitar (or other stringed instrument) are made of shell.
Utensils
Shells were used to make spoons, knives, cups, and dishes by primitive cultures.
Chemistry
Shells are made from calcium carbonate, a chemical useful in the laboratory. Calcium carbonate is widely used medicinally as an inexpensive dietary calcium supplement or antacid. It is also used in the pharmaceutical industry as a base material for tablets of other pharmaceuticals.
Lime
Seashells can be crushed to make lime which is used to raise the pH level in soil.



8

Explicar los términos «unívalvos» y «bívalvos» tal como se aplica a los moluscos.


Univalve (gastropod)
Bivalve

A bivalve is a mollusk with a two-part shell, such as an oyster, clam, scallop, or mussel. A univalve is a mollusk with a one-part shell, such as a snail, conch, or whelk.


9

Dar el nombre común de cinco diferentes clases de conchas y nombrar de su propia colección un molusco de cada clase.


Bivalves

An assortment of bivalves

Bivalves typically have two-part shells, with both valves being symmetrical along the hinge line. The class has 30,000 species, including scallops, clams, oysters and mussels.


10

Hacer una colección de 20 diferentes conchas, clasificarlos y mencionar dónde fue encontrada cada una y cuándo llegó a su posesión.


You can collect shells on beaches or buy them at craft stores. If buying them, it is cheaper to buy a variety pack rather than getting them individually. Once you have 20 different types of shells, you can begin the process of identifying them. For this you will need a field guide such as one of these:


11

¿Cuál es la fuente de perlas? ¿Qué lecciones espirituales nos enseñan las perlas? Leer y discutir de Palabras de Vida del Gran Maestro de Elena G. de White, páginas 82 a 92.


Source of Pearls

A pearl is a hard, rounded object produced within the soft tissue (specifically the mantle) of a living shelled mollusk. The finest quality pearls have been highly valued as gemstones and objects of beauty for many centuries, and the word pearl has become a metaphor for something rare, fine, and admirable.

Comentarios de Elena de White

El libro de Elena de White, Palabras de vida del gran Maeastro, se puede leer por internet. Las páginas requeridas aquí se puede encontrar en el capítulo 9.


12

Empareje los textos bíblicos que mejor respondan A-J:
Levítico 11:9 y 10 a. ¿En qué día fueron creadas las criaturas acuáticas?
Hechos 16:14 b. El número de criaturas acuáticas es innumerable.
Isaías 50:2 c. Criaturas acuáticas perecen fuera del agua.
Apocalipsis 21:21 d. Job consideró el coral de gran valor.
1 Timoteo 2:9 e. Salomón estaba familiarizado con la vida marina.
Génesis 1:20 y 21 f. Jesús utiliza 2 veces una concha para enseñar una lección espiritual.
1 Reyes 4:33 g. Una empresaria se dedicaba a la venta de los famosos tintes de púrpura garantizados, tomado de los mariscos del Mediterráneo llamado Murex.
Salmo 104:25 h. Pablo no apoya el uso de perlas.
Mateo 7:6; 13:45 y 46 i. Los moluscos son impropios para la alimentación.
Job 28:18 j. Las 12 puertas de la Santa Ciudad son 12 perlas.


All scripture passages below are from the New International Version.


a. Water creatures were created on what day?
And God said, "Let the water teem with living creatures, and let birds fly above the earth across the expanse of the sky." So God created the great creatures of the sea and every living and moving thing with which the water teems, according to their kinds, and every winged bird according to its kind. And God saw that it was good. Genesis 1:20, 21 NIV
b. The number of water creatures is innumerable.
There is the sea, vast and spacious,
teeming with creatures beyond number—
living things both large and small. Psalms 104:25
c. Water creatures perish out of water.
When I came, why was there no one?
When I called, why was there no one to answer?
Was my arm too short to ransom you?
Do I lack the strength to rescue you?
By a mere rebuke I dry up the sea,
I turn rivers into a desert;
their fish rot for lack of water
and die of thirst. Isaiah 50:2
d. Job considered coral of great value.
Coral and jasper are not worthy of mention; the price of wisdom is beyond rubies. Job 28:18
e. Solomon was acquainted with marine life.
He described plant life, from the cedar of Lebanon to the hyssop that grows out of walls. He also taught about animals and birds, reptiles and fish. 1 Kings 4:33
f. Jesus twice used a shell product to teach a spiritual lesson.
"Do not give dogs what is sacred; do not throw your pearls to pigs. If you do, they may trample them under their feet, and then turn and tear you to pieces. Matthew 7:6
"Again, the kingdom of heaven is like a merchant looking for fine pearls. When he found one of great value, he went away and sold everything he had and bought it. Matthew 13:45,46
g. A businesswoman was engaged in selling the famous purple dyes secured from the shellfish Mediterranean Murex.
One of those listening was a woman named Lydia, a dealer in purple cloth from the city of Thyatira, who was a worshiper of God. The Lord opened her heart to respond to Paul's message. Acts 16:14
h. Paul does not support the wearing of pearl
I also want women to dress modestly, with decency and propriety, not with braided hair or gold or pearls or expensive clothes. 1 Timothy 2:9
i. Shell creatures are unfit for food.
" 'Of all the creatures living in the water of the seas and the streams, you may eat any that have fins and scales. But all creatures in the seas or streams that do not have fins and scales—whether among all the swarming things or among all the other living creatures in the water—you are to detest. Leviticus 11:9,10
j. The twelve gates of Holy City are twelve pearls.
The twelve gates were twelve pearls, each gate made of a single pearl. The great street of the city was of pure gold, like transparent glass. Revelation 21:21




Referencias