Bacteria reproductive strategies include all of the following EXCEPT
A. budding.
B. multiple fission.
C. binary fission.
D. formation of mutinucleoid filaments that break apart into uninucleate spores.
E. fusion of two bacterial cells that then split into four uninucleate cells.
Answer: E
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This phylum of nonvascular plants has about 10,000 known living species, including those in the
genus Sphagnum, a peat moss used by humans for its absorbent property and also as a fuel.
a. Hepatophyta b. Pterophyta c. Bryophyta d. Lycophyta e. Anthocerophyta
Which of the following it the most typical order of events in seed germination?
a. shoot cells divide and elongate ? root cells divide and elongate ? seed coat splits ? water imbibition b. water imbibition ? seed coat splits ? root cells divide and elongate ? shoot cells divide and elongate c. water imbibition ? root cells divide and elongate ? seed coat splits ? shoot cells divide and elongate d. seed coat splits ? water imbibition ? root cells divide and elongate ? shoot cells divide and elongate e. seed coat splits ? water imbibition ? shoot cells divide and elongate ? root cells divide and elongate
At what point in the cycle is meiosis I completed?
1.1
2.2
3.3
4.4
5.5
6.6
7.7
Sap rising in a tree in spring is best explained by
A. cohesion of water molecules B. increased transpiration C. the pressure-flow hypothesis D. chloroplast function