The pterosaur adapted to flight with ____
A)a membrane-covered hand-like structure with an elongated fourth finger
B)bird-like wings covered with hollow feathers
C)bird-like wings with no covering
D)bat-like wings covered with thick fur
E)bat-like wings with no covering
A
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New scientific results that have not been fully tested and accepted by peer review are known as _____________________.
Fill in the blank(s) with the appropriate word(s).
The population of Egypt is distributed relatively uniformly throughout the country
Indicate whether this statement is true or false.
Graupel:
A) has sharp edges. B) can be as large as hail. C) can provide the nuclei for hail. D) does not contain air bubbles.
Which of the following is the convention used to specify the sequence of bases in DNA?
A) We start at the 3' end. B) We start at the 5' end. C) We start at the end closest to the first adenine. D) we start at the end closest to the first thymine.