The sporophyte form of a moss is
A) haploid.
B) diploid.
C) tetraploid.
D) aneuploid.
E) either haploid or diploid.
Answer: B
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Top-down factors that can control the population sizes of plants or animals include which of the following factors? Select all that apply.
_____ the density of herbivores _____ an extended period of drought _____ healthy populations of secondary carnivores _____ the presence of a fungal pathogen _____ nutrient-poor soil _____ levels of primary producers in the ocean
The green algae include
a. unicellular species only. b. multicellular species only. c. unicellular and multicellular species. d. unicellular and colonial species. e. unicellular, multicellular, and colonial species.
What is a primary function of growth hormone?
A. Inhibits loss of calcium from bone B. Stimulates bone growth C. Lowers blood glucose level D. Initiates stress response E. Raises blood glucose level
Explain how blood samples taken from men who have undergone an orchidectomy (removal of the testes) and women have measurable levels of testosterone
What will be an ideal response?