Which of the following would be an expected long-term change during primary succession on glacial moraines? Check all that apply.
_____ increase in species richness
_____ decrease in soil depth
_____ increase in soil salinity
_____ increase in soil nitrogen
_____ alder replaced by spruce
__X__ increase in species richness
_____ decrease in soil depth
_____ increase in soil salinity
__X__ increase in soil nitrogen
__X__ alder replaced by spruce
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The phase of mitosis in which the chromosomes are aligned along the equator of the cell is
A. A, which is prometaphase. B. C, which is metaphase. C. D, which is anaphase. D. A, which is prophase. E. E, which is telophase.
Given the following pedigree, what is the coefficient of inbreeding for individual IV-1?
A) 1/2 B) 1/4 C) 1/8 D) 1/16 E) 1/64
Which of the following is a TRUE statement?
a) It is always possible to determine the genotype of an individual from the phenotype. b) Genes come in different versions called genomes. c) A human with a somatic number of 47 would have 3 copies of some genes. d) A true breeder must always be homozygous dominant.
From where do the extra membranes arise in mitochondria, chloroplasts, and apicoplasts?
What will be an ideal response?