Examlex
In the spring before the leaves come out,maple trees are often tapped to collect sap to make syrup.The sugars were stored in the wood of the tree as starch and then released as temperatures rise above freezing in late winter.The resulting sucrose is released into the vessels that transport water.Which of the following would a person tap to collect sap from a maple tree?
Fossil Record
The collection of all known fossils and their placement in rock formations and sedimentary layers, which provides evidence about the history of life on Earth.
Homo Habilis
An extinct species of early human that lived approximately 2.4 to 1.4 million years ago, known for its use of simple stone tools.
Homo Erectus
An extinct species of hominid that lived throughout most of the Pleistocene geological epoch, known for being one of the first early humans to have a stature similar to that of modern humans and to use fire.
Bipedalism
The ability to walk upright on two legs, characteristic of humans and their ancestors.
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