Difference between revisions of "AY Honors/Endangered Species/Answer Key/es"

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< AY Honors‎ | Endangered SpeciesAY Honors/Endangered Species/Answer Key/es
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A species which is at risk of becoming extinct because it is either few in numbers, or threatened by changing environmental or predation parameters.
 
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A species that has died out completely. When the last specimen dies, that creature is said to have become extinct.
 
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A specific place or the natural conditions in which a given species lives.
 
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Any major regional biological community such as that of forest or desert.
 
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A food chain describes a single pathway that energy and nutrients may follow in an ecosystem. They usually start with a primary producer and end with a top predator. Here is an example of a food chain:
 
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::phytoplankton → copepod → fish → squid → seal → Orca
 
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:This "chain" can be described as follows: Killer whales (Orca) feed upon seals, that feed upon squid, that eat small fish, that feed on copepods, that feed on microscopic algae.
 
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A person who illegally hunts an animal in order to kill it.
 
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;NIV: God blessed them and said to them, "Be fruitful and increase in number; fill the earth and subdue it. Rule over the fish of the sea and the birds of the air and over every living creature that moves on the ground."
 
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;NKJV: Then God blessed them, and God said to them, “Be fruitful and multiply; fill the earth and subdue it; have dominion over the fish of the sea, over the birds of the air, and over every living thing that moves on the earth.”
 
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;CEV: God gave them his blessing and said: "Have a lot of children! Fill the earth with people and bring it under your control. Rule over the fish in the ocean, the birds in the sky, and every animal on the earth."
 
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;NASB: God blessed them; and God said to them, "Be fruitful and multiply, and fill the earth, and subdue it; and rule over the fish of the sea and over the birds of the sky and over every living thing that moves on the earth."
 
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===Invasive species===
 
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[[File:Snake browntree.jpg|thumb|Brown Tree Snake]]
 
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An invasive species is a non-indigenous species (e.g. plants or animals) that adversely effect the habitats they invade. They can endanger indigenous populations by preying on them or by out-competing them for resources such as food.
 
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A good example is the Brown Tree Snake of Australia. The Brown tree snake was a stowaway on U.S. military transport at the end of World War II. The slightly venomous, but rather harmless, snake came north to Guam and killed almost the entire native bird population on the previously snake‐free island. This snake has few predators on the island, although these do include pigs and monitor lizards; nowadays, Guam is one of the areas with the highest snake density in the world (an estimated 2,000 snakes/km²). Even so, this nocturnal tree snake is rarely seen by residents. They curl up and hide during the day, and move about on trees and fences at night.
 
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At least eight Brown tree snakes have been found in the Hawaiian islands since 1981. Because they can cause the same amount of harm to Hawaii as they have done to Guam, the State of Hawaii makes concerted efforts to inform the public about the snakes, particularly at Honolulu International Airport.
 
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===Poaching===
 
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[[File:Seashell_vendor.jpeg|thumb|right|A seashell vendor in Tanzania sells seashells to tourists.]]
 
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Many animals are endangered because of poaching. Elephants are killed for their ivory. Rhinoceroses are killed for their horns. Bears are killed for their gallbladders. Tigers and other large cats are killed for their skins.
 
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The dodo was an animal hunted to extinction by European hunters. It wasn't long after Dutch colonists settled on the island of Mauritius in the 17th century that the hapless dodo was driven extinct. Since then, dodo researchers haven't had much to work with other than a handful of composite skeletons in museums and anecdotal reports from early mariners. More has been written about this bird than practically any other, yet researchers practically know nothing about it.
 
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===Pollution===
 
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Pollution can kill off a species very rapidly, by killing all living members through contamination or sterilizing them. It can also occur over longer periods at lower toxicity levels by affecting life span, reproductive capacity, or competitiveness. DDT played such a role in killing off bald eagles and other birds by thinning the egg shell walls of affected birds, thus lowering the survivability of offspring. Since this effect was discovered, DDT has been banned in many parts of the world and affected bird populations are recovering.
 
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===Sustainable Use of Resources ===
 
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One of the more obvious things to do is to refuse to purchase items made from endangered animals, such as ivory. Even though the trade in these items poses a significant threat, there are more subtle things that we do that has an even greater impact. We are not often faced with the option of purchasing a tiger skin or an ivory trinket, but we are often tempted to engage in other behaviors which are just as destructive.
 
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Reduce your consumption levels. Today's rate of consumption of natural resources is unsustainable. Consumption of goods puts a stress on the environment, as ultimately, that is where all raw materials come from. Avoid purchasing disposable items, and buy reusable items instead.
 
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===Boat Inspections===
 
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If you own a boat or a personal watercraft, it is important to inspect it before you tranport it between different waterways. The zebra muscle is an invasive species that is currently spreading west in the United States and Canada. These creatures spread by "hitching a ride" on boats that are transported between non-interconnected waterways. Inspecting your boats and removing all wildlife (plants and animals) from them can help prevent the spread of invasive species.
 
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===Exotic Animals===
 
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Do not buy or keep exotic animals. The snakehead fish became infamous in the US because of their appearance in a pond in Crofton, Maryland in 2002. They are prohibited in several other countries like Australia because their introduction to new ecosystems may displace indigenous species. Humans have been introducing snakeheads to non-indigenous waters for over 100 years. In parts of Asia and Africa, the snakehead is considered a valuable food fish and is produced in aquacultures. Due to this fact it was introduced either on purpose (fisheries motivation) or by ignorance (as was the case in Crofton).
 
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Sometimes exotic pets escape or are released into the wild when they are no longer wanted. This can have a negative impact on native species in the area. It is '''illegal''' to release exotic pets into the wild in most localities.
 
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===Habitat Restoration===
 
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*Plant a garden at your school, church, or home to attract wild birds and butterflies.
 
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===Data Gathering and Monitoring===
 
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*Adopt a stream, wetland, or other waterway. Monitor which species use the area and try to get an idea of how many individual animals are involved. Distribute your findings.
 
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*Participate in the Christmas bird count, a birdathon, or in a Feeder Watch.
 
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*Do the [[AY Honors/Amphibians - Advanced|Amphibians - Advanced]] Honor which involves data collection.
 
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File:African_Elephant_by_thesaint.jpg|African Elephant<br>Africa
 
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File:Lightmatter_elephanttrunk.jpg|Asian Elephant<br>Southern Asia
 
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File:Black_rhino.jpg|Black Rhinoceros<br>Africa
 
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File:Bighorn_Sheep_in_Shoshone_National_Forest.jpg |Bighorn Sheep<br> Western US & Canada
 
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File:Bl-4.JPG|Blue Whale<br>Oceans (worldwide)
 
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File:Lightmatter_chimp.jpg|Chimpanzee<br>Africa
 
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File:Black-footed_ferret.gif|Black-footed Ferret<br>North America
 
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File:Giant_Panda_2004-03-2.jpg|Giant Panda<br>China
 
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File:Gorilla_019.jpg|Gorilla<br>Africa
 
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File:Humpback_Whale_fg1.jpg|Humpback Whale<br>Oceans (worldwide)
 
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File:Orangutan_01.jpg|Orangutan<br>Borneo and Sumatra
 
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File:Ailurus_fulgens.jpg|Red Panda<br>Himalayas (Nepal and China)
 
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File:Redwolf.jpg|Red Wolf<br>North America
 
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File:Sea_otter.jpg|Sea Otter<br>Coasts of the North Pacific Ocean
 
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File:Uncia_uncia.jpg|Snow Leopard<br>Central and South Asia
 
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File:Rauhohr-Nashorn-drawing.jpg|Sumatran Rhinoceros<br>Sumatra, Borneo, and Malaysia
 
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File:Panthera_tigris7.jpg|Tiger<br>Eastern and Southern Asia
 
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If you choose to do this activity in conjunction with activities 'c' or 'd', do this activity first so that the Pathfinders may use the trip to the zoo to gather materials and information.
 
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Below is a list of videos you might be able to use. These have not been reviewed by the authors of this answer book so you may want to screen them before showing them to your Pathfinders. If you have seen any of these, please edit this section with a review.
 
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*[http://www.amazon.com/gp/product/B000077DEP/qid=1142958952/sr=1-2/ref=sr_1_2/102-5976636-0285755?s=dvd&v=glance&n=130 Save the Endangered Species Series] Choices Inc, Released October 1, 2002. Run Time: 150 minutes
 
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*[http://www.amazon.com/gp/product/079229551X/qid=1142958952/sr=1-4/ref=sr_1_4/102-5976636-0285755?s=dvd&v=glance&n=130 National Geographic's America's Endangered Species: Don't Say Good-Bye] National Geographic Home Video, Released June 9, 1998. Runtime: 60 minutes
 
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You may wish to do this activity after doing activity 'a' or 'b', as both of those will allow your Pathfinders to gather information, materials, and inspiration for completing their reports.
 
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If you choose this option, be sure to look over the [[AY Honors/Scrapbooking|Scrapbooking Honor]] as well, as this activity could be used to meet requirement 9. This option works best when completed after doing activity 'a'. Be sure to have your Pathfinders each bring a camera to the zoo and take plenty of pictures. Remind them that they should restrict the photos in their albums to ''endangered'' animals. Also, if they are going to complete the Scrapbooking Honor, they will need enough material for 12 pages.
 
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Revision as of 12:50, 12 April 2021

Other languages:
English • ‎español
Especies en peligro de extinción

Nivel de destreza

2

Año

2005

Version

18.12.2024

Autoridad de aprobación

Asociación General

Endangered Species AY Honor.png
Especies en peligro de extinción
Estudio de la naturaleza
Nivel de destreza
123
Autoridad de aprobación
Asociación General
Año de introducción
2005
Vea también
Maestría de Conservación
Maestría de Zoología


1

Definir los siguientes términos:


1a

En peligro de extinción



1b

Extinguido



1c

Hábitat



1d

Biomas



1e

Cadena alimentaria



1f

Cazador furtivo




2

Escribir Génesis 1:28 en sus propias palabras.

Genesis 1:28 is presented below in several translations. It might help to have your group read several versions of the text before they attempt to put the verse in their own words.


3

Hacer una lista de cuatro factores que han causado que animales estén en peligro de extinción.

Habitat loss

The most common threat to endangered animals is the destruction of their natural habitat. Deforestation one way that habitat is destroyed. Rain forests are cut down for many reasons, including the sale of lumber, clearing for agriculture, or gathering wood for fuel. Human encroachment into wild areas for development of agriculture, industry, and housing is another common cause for species endangerment. Building dams can prevent many species of fish from swimming upstream to spawn, and this disrupts their lifecycle. The construction of pipelines has a similar effect on land animals, preventing predators from accessing areas containing their prey, or isolating animals from other members of their species, thus reducing the amount of genetic material available to the population as a whole.


4

Nombrar cuatro animales que ahora están extintos.

<gallery> File:Greywhale845.jpg|Atlantic Gray Whale, 1750 File:Igdodo.jpg|Dodo, 1662 File:Pinguinus_impennis.jpg |Great Auk, 1844 File:Giant_Haasts_eagle_attacking_New_Zealand_moa.jpg|Moa, circa 1500 File:Quagga_photo.jpg|Quagga, 1883 File:Passengerpigeon.jpg|Passenger Pigeon, 1914 File:Lipotes_vexillifer.png|Yangtze River dolphin, 2002


5

Hacer una lista de cuatro cosas que se están haciendo para salvar animales en peligro de extinción.
  • Endangered Species Act for the USA.
  • Environmental Preservation Laws.
  • Recovery Plans.
  • Control of Invasive Species.
  • Breeding programs in zoos
  • Reintroduction of species to an area.
  • Treaties that ban the trade of products made from endangered species.


6

Hacer una lista de cuatro actividades que se puede hacer para ayuda a los animales salvajes.

Raise Awareness

The more people are aware of the problems faced by endangered animals, the more they are likely to do something about it. Here are some suggested ways you and your club can help to raise awareness of endangered species:

  • Make a "Save the Animal" poster and display it.
  • Have a panel discussion Endangered Species vs Development.
  • Make a bulletin board display.
  • Make an Endangered Species craft project.


7

Hacer una lista de 10 animales en peligro de extinción. Decir donde viven y por qué se han convertido en peligro de extinción.

When teaching this honor to a group, you could go to the library ahead of time and check out several books on the various endangered animals, or on endangered animals in general. You will need enough books so that each Pathfinder can have one (or they could share them in groups of two), and you need to make sure that you have information on at least ten endangered animals. You could instead bring in a set of encyclopedias. During class, pass the books around and have each Pathfinder look up the information on the animal featured in that book. It is important that the Pathfinders do this research themselves rather than having it handed to them. You can also ask that the Pathfinders search the internet for the information. Below are some well-known endangered mammals (although mammals are not the only type of endangered animals).


8

Hacer dos de las siguientes actividades:


8a

Visitar un zoológico o una reserva de animales que tenga uno o más animales en peligro de extinción en cautiverio. Hacer una lista de los animales que se vio, dónde normalmente viven y por qué se han convertido en peligro de extinción.


Template:AY Honors/Zoo Visit/es


8b

Ver un video sobre un animal en peligro de extinción. Hacer una lista del animal que se vio, dónde normalmente vive, y por qué se ha convertido en peligro de extinción.


8c

Elegir un animal en peligro de extinción y escribir un breve informe o dar un discurso acerca de ello. Decir dónde normalmente vive, razón por la que se han convertido en peligro de extinción, lo que se está haciendo para salvarlos y cualquier otra información especial sobre este particular animal que ha aprendido.



8d

Hacer un libro de recortes sobre animales en peligro de extinción. Esto puede incluir artículos de periódicos, cuentos, imágenes, estampillas o dibujos. Esto puede ser un proyecto de grupo.


8e

Hacer un círculo del medio ambiente. Con un grupo de 10 a 20 personas, formar un círculo con la gente espaciadas uniformemente. Hacer que cada persona represente algo en el medio ambiente, como los animales, pastizales, bosques, etc. Luego tomar un carrete de hilo o cadena pesada y conectar a cada una de las personas a otros en el círculo. Hacer que el líder empiece a cortar las conexiones y empiece a tomar las personas fuera del círculo y ver cómo el resto de las personas se ven afectadas por la pérdida. Ayudar al grupo a ver que cada ser en la naturaleza es muy necesario para la supervivencia de todos lo demás en la naturaleza.

With a group of 10-20 persons, form a loose circle with people evenly spaced within. Have each person represent something in the environment such as animals, grasslands, forests, etc. Then take a spool of heavy thread or string and connect each person to others in the circle. Have the leader start cutting the connections and start taking individuals out of the circle and see how the remaining persons are affected by the loss. Help the group to see that each thing in nature is very necessary to the survival of everything else in nature.


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