The wings of a bird and the wings of a butterfly are ____ and show morphological ____
a. homologous; convergence
b. analogous; convergence
c. homologous; divergence
d. analogous; divergence
e. similar; mutation
B
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The ability of oxygen to combine with and detach from hemoglobin is influenced by which of the following factors?
a. percent oxygen saturation b. humidity c. oxygen concentration d. tidal volume e. partial pressure
Identical twins
A. are the result of one fertilized egg dividing to become two individuals. B. do not usually have the same DNA. C. result from two eggs being fertilized by one sperm. D. result from one egg being fertilized by two sperms.
Select the best response to the question. ?What is a consequence of untreated tapeworm?
A) anal itching B) abscesses C) anemia D) seizures
Why are plants usually genetically modified?
What will be an ideal response?