A bell curve indicates _____ in a trait
Fill in the blank(s) with correct word
continuous variation
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The morphological features that a group of cells will eventually adopt is called the _______
A. positional information B. cell fate C. cell adhesion model D. embryogenesis
Exchange of genetic material among different species is called
A. homolgous gene exchange. B. horizontal gene transfer. C. exon shuffling. D. genetic recombination. E. exon shuffling and or genetic recombination.
A number of major disease-causing protists are found in the
a. Euglenoids. b. Excavates. c. Archaeplastida. d. Diatoms. e. Brown algae.
Which trait does the fossil in the accompanying figure share with modern birds?
a. long, clawed fingers on each forelimb b. teeth c. Feathers d. long bony tail e. heavy jaw