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Lecture 3

Bio 2F03 Lecture 3 Tuesday September 10th, 2013.docx

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Department
Biology
Course
BIOLOGY 2F03
Professor
Jurek Kolasa
Semester
Fall

Description
th Bio 2F03 – Lecture 3 – Tuesday September 10 , 2013 Why horses and cattle help restore Guanacaste forest of Costa Rica? -important tree in the dry tropical forest and it provides major woody type of vegetation, shade and food but has been declining until the introduction of horses and cattle -seeds of the tree too big to be eaten by rodents but can be eaten by horses and cattles -seeds pass through horse and cattle and results in a little seedling which is nicely embedded in the poo Why were these seeds HUGE even before horses and cattle? -camels -camels were big enough to eat seed and disperse them but disappeared several thousand years ago due to human settlers and climatic change What is the most obvious foundation of life on land? -soil and climate -soil allows veg
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