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Author Question: On a trip to the Southwest United States, you and a friend collect some seeds from a pion, a type of ... (Read 87 times)

penza

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on: Jul 15, 2019
On a trip to the Southwest United States, you and a friend collect some seeds from a piñon, a type of pine tree. Your friend also gathers a small bagful of soil from under the piñon tree. Back home, both of you plant your seeds in commercial sterilized potting soil, but your friend adds a spoonful of the collected dirt to each of her pots. Her seedlings do better than yours. What is the likeliest explanation for your differences?
◦ The soil from the Southwest probably contained fungi able to establish a mycorrhizal association with the seedlings' roots.
◦ The soil from the Southwest probably contained nitrogen-fixing bacteria that colonized the seedlings' root nodules.
◦ Pine seedlings are better adapted to the sandy soil of the Southwest than to commercial potting mix.
◦ The soil from the Southwest probably contained macronutrients missing from the potting mix.
Campbell Biology: Concepts & Connections ¦ Taylor, Simon, Dickey, Hogan, Reece ¦ 9th Edition
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Marked as best answer by penza on Jul 15, 2019

Shshxj

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Reply #1 on: Jul 15, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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penza

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Reply 2 on: Jul 15, 2019
Gracias!

jordangronback

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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