Forest fires are key to shaping the ecosystem of Yellowstone National Park. Fires add more nutrients to the soils and can aid in seed germination. After a fire burns down many of the trees in an area, new vegetation takes over. This new vegetation is mostly various grass species that did not grow in the area before the fire. Which of the following is a biotic explanations for why the grasses did not grow in the area before the fire? select the best answer

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Forest fires are key to shaping the ecosystem of Yellowstone National Park. Fires add more nutrients
to the soils and can aid in seed germination. After a fire burns down many of the trees in an area,
new vegetation takes over. This new vegetation is mostly various grass species that did not grow in
the area before the fire.
Which of the following is a biotic explanations for why the grasses did not grow in the area before
the fire? select the best answer
O The grass seeds were not able to get blown into the forest before the fire.
O The shrubs and trees were better competitors for sunlight that is needed for grasses to grow
The fire helped to add nutrients into the soil that is required for the grasses to grow
O Hot temperatures from the fire is needed for grass seeds to germinate
Transcribed Image Text:Forest fires are key to shaping the ecosystem of Yellowstone National Park. Fires add more nutrients to the soils and can aid in seed germination. After a fire burns down many of the trees in an area, new vegetation takes over. This new vegetation is mostly various grass species that did not grow in the area before the fire. Which of the following is a biotic explanations for why the grasses did not grow in the area before the fire? select the best answer O The grass seeds were not able to get blown into the forest before the fire. O The shrubs and trees were better competitors for sunlight that is needed for grasses to grow The fire helped to add nutrients into the soil that is required for the grasses to grow O Hot temperatures from the fire is needed for grass seeds to germinate
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