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1. how did root weight change as plant density increased?why? what pattern would

ID: 3517176 • Letter: 1

Question

1. how did root weight change as plant density increased?why? what pattern would you see when plants are competiting inter-specifically as well as intra-specifically?

2. How does increasing plant density affect plant growth? Is there any effect? What results support these conclusions? Which do not?

3. Are radishes strong or weak interspecific competitors? Compare the growth and survival results for radishes grown separately versus those grown with collards. Do not try to directly compare radishes and collards to each other since they have different growth patterns!!!

Explanation / Answer

1. Root weight increases with increase in plant density. This is.to maimtamaa constant root to shoot ratio and also to support the plant which becomes more dense. This enables the root to intake more nutrients for the plant. Interspecific competition is when plants of different species competc for limited resources. Intraspecific competition is.when plants of same species compete for limited resources. In both cases the root becomes stronger and more dense so that the plant gets more nutrients in a place with limited resources.