Biodiversity is desirable for the biosphere and therefore for humans and human-induced extinctions are undesirable are two of the ____ principles of conservation biology.
Fill in the blank(s) with the appropriate word(s).
Ans: ethical
You might also like to view...
The period of time during which an "explosion" of fossilized animals with bilateral symmetry are first found is the:
A. Ediacaran. B. Cambrian. C. Devonian. D. Jurrasic.
An RNA molecule is typically _____ ; a DNA molecule is typically _____
a. single-stranded; double-stranded b. double-stranded; single-stranded c. both are single-stranded d. both are double-stranded
Why is a variegated plant considered heteroplasmic?
A) The plant has mutant and wild-type chloroplast DNAs distributed amongst the cells in different ratios. B) The plant has only two types of cells, one with only mutant chloroplast DNAs and one with only wild-type chloroplast DNAs. C) All of the plant's cells have mutant and wild-type chloroplast DNAs. D) All of the plant's cells have mitochondria and chloroplasts.
The benthic community of an ocean, with the exception of hydrothermal vents, is best described as
A) completely heterotrophic and very diverse. B) completely autotrophic and very diverse. C) completely phototrophic and not very diverse. D) mostly heterotrophic and not very diverse.