4. Describe how natural selection prompted the evolution of the Calvaria tree on the island of Mauritius.
5. How does the extinction of the dodo bird impact the survival of the Calvaria?
6. How is the survival of some plant species tied to periodic fires?
7. How is survival of the Jack pine related to survival of the Kirtland’s warbler?
8. Describe the link between fire, seed germination and nitrogen dioxide gas.
9. How do Whispering bells that live in desert environments prepare seeds for germination?
10. Describe “terminator technology;” what it is and why it was developed
5. How does the extinction of the dodo bird impact the survival of the Calvaria?
6. How is the survival of some plant species tied to periodic fires?
7. How is survival of the Jack pine related to survival of the Kirtland’s warbler?
8. Describe the link between fire, seed germination and nitrogen dioxide gas.
9. How do Whispering bells that live in desert environments prepare seeds for germination?
10. Describe “terminator technology;” what it is and why it was developed
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> 4. Describe how natural selection prompted the evolution of the Calvaria tree on the island of Mauritius.
Very bad question.
One researcher came to the conclusion that since there were so few trees, it must be that their seeds required passage through a dodo's gut to germinate, and dodos were extinct.
(Captain Obvious says that people cut down the mature trees, the lack of mature trees was due to lumberjacks, and the researcher had no idea what a young Calvaria tree looked like and thus did not recognize them when he saw them).
This researcher would have supposed that the Calvaria had evolved in response to the bird eating the seeds, to have seeds with a tougher endocarp to withstand the bird digestive system.
> 5. How does the extinction of the dodo bird impact the survival of the Calvaria?
It didn't. Bad question. But if the Calvaria tree seeds really did require passage through the digestive system of a dodo, then extinction of the dodo would mean that no seeds would germinate, which would mean eventual extinction for the Calvaria tree.
> 6. How is the survival of some plant species tied to periodic fires?
a) Some seed pods or cones do not open unless exposed to a fire.
b) Fire removes competitors for sunlight, space, water, nutrients.
> 7. How is survival of the Jack pine related to survival of the Kirtland’s warbler?
Very bad question.
One researcher came to the conclusion that since there were so few trees, it must be that their seeds required passage through a dodo's gut to germinate, and dodos were extinct.
(Captain Obvious says that people cut down the mature trees, the lack of mature trees was due to lumberjacks, and the researcher had no idea what a young Calvaria tree looked like and thus did not recognize them when he saw them).
This researcher would have supposed that the Calvaria had evolved in response to the bird eating the seeds, to have seeds with a tougher endocarp to withstand the bird digestive system.
> 5. How does the extinction of the dodo bird impact the survival of the Calvaria?
It didn't. Bad question. But if the Calvaria tree seeds really did require passage through the digestive system of a dodo, then extinction of the dodo would mean that no seeds would germinate, which would mean eventual extinction for the Calvaria tree.
> 6. How is the survival of some plant species tied to periodic fires?
a) Some seed pods or cones do not open unless exposed to a fire.
b) Fire removes competitors for sunlight, space, water, nutrients.
> 7. How is survival of the Jack pine related to survival of the Kirtland’s warbler?
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