Density-dependent factors are related to which of the following?

A) cohort
B) dispersion
C) Allee effect
D) iteroparous
E) semelparous


Ans: C) Allee effect

Biology & Microbiology

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Which of the following statements is correct in comparing metagenomic (next generation) sequencing to whole-genome (shotgun) sequencing?

A. Both sequencing methods utilize overlapping sequence contigs to assemble the full sequence. B. Whole-genome sequencing does not fragment genomic sequences, but rather utilizes adaptor molecules on the template DNA. C. Both sequencing methods have equal depth and coverage from the polymerase "reads" on the template. D. Metagenomic sequencing uses a bacterial artificial chromosome (BAC) genomic library as the template.

Biology & Microbiology

Sea lions have shorter lactation periods than true seals

Indicate whether the statement is true or false

Biology & Microbiology

What evidence exists that suggests modern agriculture is unsustainable?

A) Fresh water is used for irrigating crops. B) Large amounts of nonrenewable fossil fuels are required. C) Fertilizers and pesticides are inexpensive and easy to obtain. D) More food is produced than can be used.

Biology & Microbiology

Fungi are different from plants primarily because they

a) are heterotrophic b) contain chlorophyll c) are nonmotile d) have cell walls

Biology & Microbiology