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Naddika [18.5K]
3 years ago
9

all that cats—and other nocturnal predators—have a greater number of rod cells in their eyes compared to cone cells. What would

you predict about the color vision of cats? A) Because of the decreased number of cone cells, cats have excellent color vision. B) Cats have (relatively) poor color vision, but this is independent of the number of rod or cone cells. C) Because of the decreased number of cone cells, cats have (relatively) poor color vision. D) Because of the increased number of rod cells, cats have excellent color vision.
Social Studies
1 answer:
d1i1m1o1n [39]3 years ago
6 0

Answer:

Because of the decreased number of cone cells cats have relatively poor color vision cells  

Explanation:

Rod cells are in scotopic. These cells are responsible for low light. These cells are found in the eyes of peripheral areas. Rod cells are responsible for black and white. These cells are used at night. These cells have low spatial acuity. These cells are in cylindrical shaped.  

Cones cells: These cells active at a high level. These cells are responsible for color vision. These cells are found in the center of the eye. These cells have a phototropic vision. These cells are rod-shaped.

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Answer:n the European race to colonial dominance, the Treaty of Tordesillas legitimized Spain’s holdings in the New World, indicating Spanish primacy over Portugal.

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Treaty of Tordesillas

Columbus’s colonization of the Atlantic islands inaugurated an era of aggressive Spanish expansion across the Atlantic. Spanish colonization after Columbus accelerated the rivalry between Spain and Portugal to an unprecedented level. The two powers vied for domination through the acquisition of new lands.

In the 1480s, Pope Sixtus IV had granted Portugal the right to all land south of the Cape Verde islands, leading the Portuguese king to claim that the lands discovered by Columbus belonged to Portugal, not Spain. But in 1493, Spanish-born Pope Alexander VI issued two papal decrees giving legitimacy to Spain’s Atlantic claims over the claims of Portugal. Hoping to salvage Portugal’s holdings, King João II negotiated a treaty with Spain. The Treaty of Tordesillas in 1494 drew a north-to-south line through South America. Spain gained territory west of the line, while Portugal retained the lands east of the line, including the east coast of Brazil.

Map of the land division determined by the Treaty of Tordesillas. Image credit: Wikimedia Commons

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In 1519, Cortés entered Tenochtitlán, the capital of the Aztec/Mexica Empire. He and his men were astonished by the sophisticated gardens and temples in the city, but they were horrified by the practice of human sacrifice. Above all, the Aztec wealth in gold fascinated the Spanish explorers.

Hoping to gain power over the city, Cortés took Moctezuma, the Aztec ruler, hostage. The Spanish then murdered hundreds of high-ranking Mexica during a religious festival, but the people of Tenochtitlán quickly retaliated. Cortés and his people fled for their lives.

Aztec ruler Moctezuma. Image credit: Wikimedia Commons

Following his defeat, Cortés slowly created alliances and recruited tens of thousands of native peoples who resented Aztec rule. Only by playing upon the disunity among the diverse groups in the Aztec Empire were the Spanish able to capture Tenochtitlán. In August 1521, Cortés claimed Tenochtitlán for Spain and renamed it Mexico City. The Spanish also brought smallpox, which took a heavy toll on the people in Tenochtitlán. Illness played a much greater role in the city’s downfall than violence.

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A drawing depicting Malintzin translating for Cortez and Aztes. Image credit: Wikimedia Commons

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