Ecosystem effects: Plant communities
What will be an ideal response?
-increase plant biomass and nutrition
-increase plant diversity
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The rapid change in G6PD allele frequency and the correlation of this allele with areas of high rates of malaria
suggests that ____ explains this change in G6PD allele frequency. a. genetic drift b. artificial selection c. X-linked inheritance d. the founder effect e. natural selection
________ animals contain an inserted and functional gene from another source
A) Knockout B) Transgenic C) Polyploid D) Selectively bred E) Cloned
In terms of meiosis, what is the essential difference between the life cycle of animals and the life cycle of plants?
a. Plants alternate between haploid and diploid generations. b. Animals do not have a haploid phase. c. Animals have a dominant haploid phase. d. Plants alternate between diploid and polyploid generations.
What is the correct series of events during parturition?a. The amnion breaks.b. The cervix dilates.c. ACTH causes the adrenal cortex to release androgens into the bloodstream.d. Prostaglandins and oxytocin are produced.e. The baby is born and the umbilical cord is cut.f. The placenta is delivered.
A. c - b - f - a - e - d B. c - d - b - f - a - e C. c - d - b - a - e - f D. a - d - b - c - e - f E. c - d - a -b - e - f