A tetrapod is
a. an extinct dinosaur species. d. a type of fish.
b. a four-legged vertebrate. e. B and C
c. a type of mammal
B
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A set of organisms that are similar in genetic make up and reproduce sexually to produce fertile offspring are members of the same species.
Answer the following statement true (T) or false (F)
A drop in the potentiometric surface of an aquifer
A. occurs only in very dry regions. B. reflects water use exceeding recharge. C. occurs only in an unconfined aquifer. D. All of the choices are correct.
Although there has never been permanent human habitation on Antarctica, it is still subject to environmental pressures.How have the waters around Antarctica been mismanaged, and what action has been taken to protect Antarctica's natural resources until 2048?
Which process does not deepen and age soils?
A) Translocation B) Addition of materials C) Transformation D) Loss of materials E) Taxonomy