What is the major reservoir of phosphorus?
a. atmosphere
b. sedimentary rock
c. ocean
d. land food webs
e. groundwater
b
You might also like to view...
A yogurt, which had "contains live cultures" on its label, was transferred onto an acidic carbohydrate-containing medium for selective enrichment. Eventually, isolates of the ________ genus were obtained
A) Lactobacillus B) Leuconostoc C) Peptococcus D) Streptococcus
Many algal species have life cycles consisting of alternating haploid and diploid generations. The most common life
cycle in brown algae consists of organisms that are ____.
a. unicellular in the haploid stage and multicellular in the diploid stage b. multicellular in the haploid stage and unicellular in the diploid stage c. unicellular in both the haploid and diploid stages d. multicellular in both the haploid and diploid stages e. colonial in both the haploid and diploid stages
According to fossil records, mammals
A. first appeared in the same geologic era, the Mesozoic, as dinosaurs. B. first appeared in the current Quaternary period of the Cenozoic era. C. lived in the same era, the Paleozoic, as reptiles, amphibians, and bony fishes. D. did not appear until the Cenozoic era, after dinosaurs were extinct. E. None of the answer choices is correct.
The earliest hominin fossils have been found in ____
a. Africa b. Asia c. Australia
d. the South Pacific e. Europe