Place the steps of sporulation in the correct order. _____
Replication of DNA _____
Spore coat formation _____
In-folding of the plasma membrane to enclose a copy of DNA, forming forespore and septum _____
Maturation and release of endospore _____
Deposition of spore cortex _____
Engulfment of the forespore with a second membrane
Fill in the blank(s) with the appropriate word(s).
1, 5, 2, 6, 4, 3
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Natural selection acts most directly on:
a. populations. b. communities. c. ecosystems. d. the biosphere. e. K-selected organisms
A new plant species is introduced to Daphne Major and produces small, thin seeds. This plant species is highly adapted to drought and after 5 years has replaced over 80% of the native plants that produce large seeds. How will this change affect the evolution of beak size in the medium ground finch population?
A. Small beaks will be favored under all rainfall conditions. B. Large beaks will be favored in wet years and small beaks will be favored in dry years. C. Large beaks will be favored under all rainfall conditions. D. Small beaks will be favored in wet years and large beaks will be favored in dry years.
Exercise for individuals with orthopedic problems should use as much weight-bearing activity at the problem area as possible.
a. true b. false
In ________ selection, individuals intermediate in a phenotypic distribution have greater reproductive success.
A. balancing B. negative frequency-dependent C. directional D. stabilizing E. disruptive