Which process refers to dramatic phenotypic changes that sometimes occur in evolution, such as the appearance of
feathered wings during the evolution of birds?
a. gradualism
b. allopolyploidy
c. macroevolution
d. paedomorphosis
e. microevolution
c
Biology & Microbiology
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Human vertebrae are held together by ____ joints
a. synovial b. cartilaginous c. fibrous d. both fibrous and cartilaginous e. both synovial and fibrous
Biology & Microbiology
Hybrid inviabiliy can increase over generations
____________ Indicate whether the statement is true or false.
Biology & Microbiology
The peptidoglycan of bacterial cell walls contains a carbohydrate matrix linked together by short chains of
A. amino acids. B. nucleotides. C. fatty acids. D. steroids. E. water molecules.
Biology & Microbiology
Which structures produce goosebumps?
A. cuticles B. hair follicles C. sudoriferous glands D. arrector pili muscles E. sebaceous glands
Biology & Microbiology