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Home Q & A Board Biology-Related Homework Help General Biology
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roltschj roltschj
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6 years ago
Which organism would have a four-chambered heart to separate oxygenated from deoxygenated blood?
  1.bird
  2.fish
  3.frog
  4.turtle

Question 2

What is the agricultural significance of root nodules on plants?
  1.The nodules help hold soil in place so there is less erosion.
  2.The nodules place nitrogen in the soil, so that less fertilizer is required.
  3.The nodules increase the surface area of the root for water absorption, so less irrigation water is needed.
  4.Root nodules would play no role in agricultural plants.
 
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Replies
wrote...
#1
6 years ago
Answer to q. 1

1

Answer to q. 2

2
roltschj Author
wrote...
#2
6 years ago
Tremendous help, I just double-checked it with my friend Smiling Face with Open Mouth
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