Biologists identify __________, which are larger regions characterized by their physical
characteristics as well as the species in them. Fill in the blank(s) with the appropriate word(s).
ecoregions
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Evidence of ________ supports the hypothesis that eukaryotes are derived from bacteria
A) antibiotic resistance B) DNA content in the nucleus C) ribosome contents D) ribosome contents and DNA content in the nucleus
Explain why male lions, after they have entered a new pride of female lions, will often engage in the practice of infanticide
What will be an ideal response?
Which of the following are NOT one of Stuart Levy's guidelines for limiting the development of antibiotic resistance?
A) To avoid contracting food-borne bacteria, consumers should wash fruits and vegetables and avoid raw eggs and undercooked meat. B) Consumers should always use antibacterial soaps and cleaners, even when no perceived bacterial threat is present. C) Patients should not request antibiotics for viral infections, such as colds or flu. D) When they take antibiotics, patients should complete the course of treatment. E) To avoid spreading infections from patient to patient, physicians should wash their hands thoroughly between patients.
Which of the following is a common benefit of a microbe-plant symbiosis?
A) increased nutrient availability B) decreased pathogen colonization C) increased affinity for carbon dioxide D) increased nutrient availability and decreased pathogen colonization