AY Honors/Worms - Advanced/Answer Key - Revision history

MBoismier at 15:36, 24 September 2021

2021-09-24T15:36:44Z

MBoismier at 15:34, 24 September 2021

2021-09-24T15:34:38Z

MBoismier at 15:33, 24 September 2021

2021-09-24T15:33:40Z

MBoismier at 15:32, 24 September 2021

2021-09-24T15:32:33Z

W126jep at 19:12, 14 September 2021

2021-09-14T19:12:00Z

W126jep: Marked this version for translation

2021-05-28T14:11:53Z

Marked this version for translation

W126jep: + Missing prerequisite

2021-05-28T14:11:32Z

+ Missing prerequisite

W126jep: Marked this version for translation

2021-04-23T17:24:12Z

Marked this version for translation

W126jep at 17:23, 23 April 2021

2021-04-23T17:23:53Z

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2021-03-19T04:17:55Z

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-For fundraising ideas, visit the NAD Pathfinder Forum at http://www.pathfindersonline.org/forum/viewforum.php?f=9.
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 Pseudocoelomates have a simple fluid filled body. The organs of these simple animals often float within the body cavity. Nematodes are the most numerous members of animals that have this body structure.
 Acoelomates lack internal body cavities. Acoelomates include flatworms and ribbon worms. For example, flatworms have organs, but do not have a fully formed digestive tract or a way to transport oxygen through the body. Therefore, each cell is required to handle respiration individually.
-http://www.bookrags.com/Animal
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 Hairworm life cycle: The hairworm eggs hatch in water releasing stage to juvenile stage hairworms. Grasshoppers are their eventual host, though scientists are sure how the hairworm larvae get inside the grasshoppers. Eventually, through several moltings, the larvae that have gotten inside the grasshopper fill the grasshoppers whole body cavity releasing a toxic mixture of chemicals that causes the grasshopper to commit suicide by jumping into water. Once the grasshopper parasite host is dead, the adult hairworm emerges from the grasshopper, and repeats the lifecycle by laying a batch of eggs.
-http://news.nationalgeographic.com/news/2005/09/0901_050901_wormparasite.html
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 For sake of completeness, it should be noted that the Monogenea are listed only on the most recent, scientific websites as part of the platyhelminthes classification. Most websites still refer to the pre-1999 classification of the platyhelminthes, making Turbellaria a class within that classification.
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 The Monogenea, Trematoda, and Cestoda are the three major classes of parasitic flatworms, though the Turbellaria used to be considered a part of this class*
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 Note: Such organizations as adra.org and worldwater.org provide information and resources for both parts of this question.
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 John 4 contains the story of the woman at the well who received the instructions from Jesus about receiving living water. Consult the SDA Bible Commentary and your choice of Bible version (www.biblegateway.com) for the complete story. Also, Psalms 1:3 and Jeremiah 17:8
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-For sake of completeness, it should be noted that the Monogenea are listed only on the most recent, scientific websites as part of the platyhelminthes classification.  Most websites still refer to the pre-1999 classification of the platyhelminthes, making Turbellaria a class within that classification.
+For sake of completeness, it should be noted that the Monogenea are listed only on the most recent, scientific websites as part of the platyhelminthes classification. Most websites still refer to the pre-1999 classification of the platyhelminthes, making Turbellaria a class within that classification.
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-Nematodes are also known as roundworms or eel worms.  Examples include Lungworms, Hairworms, the Potato cyst, and stomach worms.
+Nematodes are also known as roundworms or eel worms. Examples include Lungworms, Hairworms, the Potato cyst, and stomach worms.
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 There are hundreds of types of nematodes.
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-Nematodes that are migratory ectoparasites are those that find plants as hosts (plant-parasitic).  Migratory ectoparasites only feed on the surface cells of the plant (they don’t burrow into the plant).  Pin, ring, and mint nematodes are examples of this type of nematode.
+Nematodes that are migratory ectoparasites are those that find plants as hosts (plant-parasitic). Migratory ectoparasites only feed on the surface cells of the plant (they don’t burrow into the plant). Pin, ring, and mint nematodes are examples of this type of nematode.
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-Their lifecycle:  Eggs are laid only in the soil and develop until a first stage juvenile nematode is present. This nematode molts for the first time while still within the egg and it is the second stage juvenile which emerges from the egg into the soil. Moving through the soil, this nematode finds a root and inserts its stylet into one of the surface (epidermal) cells on the root surface. After feeding for some period of time, the nematode withdraws its stylet and moves on to feed in a new location. When the nematode has grown to a certain size, it molts a second time to become a third stage juvenile and later a third time to become a fourth stage juvenile. After a fourth and final molt, the nematode becomes an adult.
+Their lifecycle: Eggs are laid only in the soil and develop until a first stage juvenile nematode is present. This nematode molts for the first time while still within the egg and it is the second stage juvenile which emerges from the egg into the soil. Moving through the soil, this nematode finds a root and inserts its stylet into one of the surface (epidermal) cells on the root surface. After feeding for some period of time, the nematode withdraws its stylet and moves on to feed in a new location. When the nematode has grown to a certain size, it molts a second time to become a third stage juvenile and later a third time to become a fourth stage juvenile. After a fourth and final molt, the nematode becomes an adult.
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-Migratory endoparasites are similar to the Migratory ectoparasites, except for the fact that they burrow into the plant to feed.  Migratory endoparasites lay the eggs inside the host plants.  The first stage juvenile molts inside the egg.  The egg hatches once the juvenile has entered its second stage.  Once released into the cortex (inside) of a plant, the juvenile will molt three more times, becoming either male or female.  The eggs of the female will be laid in the cortex of the plant host.  At any stage, juveniles may move to (hence the term migratory) and infect new plants.
+Migratory endoparasites are similar to the Migratory ectoparasites, except for the fact that they burrow into the plant to feed. Migratory endoparasites lay the eggs inside the host plants. The first stage juvenile molts inside the egg. The egg hatches once the juvenile has entered its second stage. Once released into the cortex (inside) of a plant, the juvenile will molt three more times, becoming either male or female. The eggs of the female will be laid in the cortex of the plant host At any stage, juveniles may move to (hence the term migratory) and infect new plants.
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-Sedentary endoparasites enter their host species setting up a permanent feeding station.  Eventually a mature female will lay her eggs inside the host plants.   The first stage juvenile molts inside the egg.  The egg hatches once the juvenile has entered its second stage.  This second stage is the ONLY stage that is infectious.  It will leave the host plant and burrow into a plant, and release enzymes that change the chemical composition of the plant cells surrounding it.  These adapted cells become the embedded nematodes food source as it grows into a sausage shape, entering stages 3 and four and eventually laying its eggs before dying.
+Sedentary endoparasites enter their host species setting up a permanent feeding station. Eventually a mature female will lay her eggs inside the host plants. The first stage juvenile molts inside the egg. he egg hatches once the juvenile has entered its second stage. This second stage is the ONLY stage that is infectious. It will leave the host plant and burrow into a plant, and release enzymes that change the chemical composition of the plant cells surrounding it. These adapted cells become the embedded nematodes food source as it grows into a sausage shape, entering stages 3 and four and eventually laying its eggs before dying.
 http://ippc2.orst.edu/mint/nemacycle.htm
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-Hairworm life cycle:  The hairworm eggs hatch in water releasing stage to juvenile stage hairworms.  Grasshoppers are their eventual host, though scientists are sure how the hairworm larvae get inside the grasshoppers.  Eventually, through several moltings, the larvae that have gotten inside the grasshopper fill the grasshoppers whole body cavity releasing a toxic mixture of chemicals that causes the grasshopper to commit suicide by jumping into water.  Once the grasshopper parasite host is dead, the adult hairworm emerges from the grasshopper, and repeats the lifecycle by laying a batch of eggs.
+Hairworm life cycle: The hairworm eggs hatch in water releasing stage to juvenile stage hairworms. Grasshoppers are their eventual host, though scientists are sure how the hairworm larvae get inside the grasshoppers. Eventually, through several moltings, the larvae that have gotten inside the grasshopper fill the grasshoppers whole body cavity releasing a toxic mixture of chemicals that causes the grasshopper to commit suicide by jumping into water. Once the grasshopper parasite host is dead, the adult hairworm emerges from the grasshopper, and repeats the lifecycle by laying a batch of eggs.
 http://news.nationalgeographic.com/news/2005/09/0901_050901_wormparasite.html
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-The Polychaeta move with bristles (Setae) that extend out from parapods, side flaps that extend from their bodies.  The bristles look and act similar to legs, and help the polycaet swim or burrow.
+The Polychaeta move with bristles (Setae) that extend out from parapods, side flaps that extend from their bodies. The bristles look and act similar to legs, and help the polycaet swim or burrow.
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-The Oligocaeta and Hirudinea move by contracting muscles in their body in a sequential fashion, forcing their coelomic fluid to change the shape of each segment, thus moving their body forward.  The setae bristles assist in anchoring them as they move forward.
+The Oligocaeta and Hirudinea move by contracting muscles in their body in a sequential fashion, forcing their coelomic fluid to change the shape of each segment, thus moving their body forward. The setae bristles assist in anchoring them as they move forward.
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-All of the following body structures contain bilateral symmetry.  That is, they are symmetrical alone a defined plane.  One example of bilateral symmetry is that if a person looked in a mirror and imagined a line extending from the middle of his/her head down to the floor, the body on the left side of the line would be a “mirror image” of the part of the body on the right side of the line.
+All of the following body structures contain bilateral symmetry. That is, they are symmetrical alone a defined plane. One example of bilateral symmetry is that if a person looked in a mirror and imagined a line extending from the middle of his/her head down to the floor, the body on the left side of the line would be a “mirror image” of the part of the body on the right side of the line.
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-Coelomates have a complex body cavity.  Organs are suspended from the body wall.  Mollusks and humans are just a few of the animals that share this body structure.
+Coelomates have a complex body cavity. Organs are suspended from the body wall. Mollusks and humans are just a few of the animals that share this body structure.
-Pseudocoelomates have a simple fluid filled body.  The organs of these simple animals often float within the body cavity.  Nematodes are the most numerous members of animals that have this body structure.
+Pseudocoelomates have a simple fluid filled body. The organs of these simple animals often float within the body cavity. Nematodes are the most numerous members of animals that have this body structure.
-Acoelomates lack internal body cavities.  Acoelomates include flatworms and ribbon worms.  For example, flatworms have organs, but do not have a fully formed digestive tract or a way to transport oxygen through the body.  Therefore, each cell is required to handle respiration individually.
+Acoelomates lack internal body cavities. Acoelomates include flatworms and ribbon worms. For example, flatworms have organs, but do not have a fully formed digestive tract or a way to transport oxygen through the body. Therefore, each cell is required to handle respiration individually.
 http://www.bookrags.com/Animal
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-Note:  Such organizations as adra.org and worldwater.org provide information and resources for both parts of this question.
+Note: Such organizations as adra.org and worldwater.org provide information and resources for both parts of this question.
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-To get you started:  Fresh water that is free of organisms, including the parasitic worms we have studied, assists persons in living longer, avoiding disease, and living higher quality lives.
+To get you started: Fresh water that is free of organisms, including the parasitic worms we have studied, assists persons in living longer, avoiding disease, and living higher quality lives.
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 <!-- 7. Describe a spiritual lesson about living water from the Bible. -->
-John 4 contains the story of the woman at the well who received the instructions from Jesus about receiving living water.  Consult the SDA Bible Commentary and your choice of Bible version (www.biblegateway.com) for the complete story. Also, Psalms 1:3 and Jeremiah 17:8
+John 4 contains the story of the woman at the well who received the instructions from Jesus about receiving living water. Consult the SDA Bible Commentary and your choice of Bible version (www.biblegateway.com) for the complete story. Also, Psalms 1:3 and Jeremiah 17:8
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AY Honors/Worms - Advanced/Answer Key - Revision history

MBoismier at 15:36, 24 September 2021

MBoismier at 15:34, 24 September 2021

MBoismier at 15:33, 24 September 2021

MBoismier at 15:32, 24 September 2021

W126jep at 19:12, 14 September 2021

W126jep: Marked this version for translation

W126jep: + Missing prerequisite

W126jep: Marked this version for translation

W126jep at 17:23, 23 April 2021

Jomegat bot: Bot: Automated import of articles *** existing text overwritten ***

Jomegat bot: Bot: Automated import of articles * existing text overwritten *