Individual water molecules are held to one another by relatively weak ________ bonds
A) covalent
B) hydrogen
C) ionic
D) nonpolar
B
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A(n) ________ refers to the complete set of DNA within the chromosomes of an individual
Fill in the blank(s) with correct word
Which statement about biomass is FALSE?
a. Biomass reduction from one trophic level to the next is approximately 50%. b. Biomass reduction from one trophic level to the next varies widely in nature. c. Biomass reduction can be measured as dry weight. d. Biomass may be measured as live weight. e. Biomass in an ecosystem can be illustrated using a pyramidal-shaped graph.
Which of the following is responsible for nearly 100,000 human deaths worldwide every year?
A) Entamoeba histolytica B) Amoeba proteus C) plasmodial slime molds D) Dictyostelium discoideum
Gamete formation results in __________________________.
A. offspring that are genetic clones of the parent B. the pairing of homologous chromosomes C. offspring that are genetically distinct from each other D. the fusion of gametes. E. asexual reproduction