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Alexeev081 [22]
3 years ago
13

The stalk of a leaf is known as the ________. petiole lamina stipule rachis

Biology
1 answer:
jasenka [17]3 years ago
3 0

Answer:

Petiole

Explanation:

The petiole is the part of the leaf that attaches the leaf to the main stem of the plant. Depending on the leaf structure of the plant, some leaves may be devoid of a petiole, and be regarded as apetiolate.

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ancestors of giraffes with shorter necks could not reach branches high up in trees for food. this led to selection for longer-ne
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With shorter necks, giraffe ancestors could not reach food-containing branches on tall trees. This resulted in the directional selection of giraffes with longer necks.

 

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It nearly appears obvious that the giraffe's long neck developed as a result of a lack of food in the lower branches of trees. The giraffe has a significant advantage because it is taller than any other mammal and can feed where few others can. 

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7 0
1 year ago
Can anyone help me please
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Answer:

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3 years ago
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