Explain how an herbivore, carnivore, omnivore and detritivore are similar
What will be an ideal response?
All are heterotrophs/consumers. They must get their carbon from organic matter, not carbon dioxide.
Analyze and Evaluate the Concepts (Essay)
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Answer the following statements true (T) or false (F)
1. Lactoferrin and transferrin are proteins that bind iron, and therefore deprive pathogens of this essential nutrient. 2. Pyrogenic substances cause the production of pus. 3. Interferons are virus-specific, but are not species-specific. 4. Complement is the name of a single plasma protein that “complements” the actions of the immune system. 5. Eosinophils are much better phagocytes than neutrophils.
When does a CAM plant take in atmospheric CO2?
a. daytime only b. nighttime only c. summer only d. winter only e. anytime the Calvin cycle is occurring
Scientists agree that life originated on Earth
What will be an ideal response?
Claytonia virginica is a woodland spring herb with flowers that vary from white to pale pink to bright pink
Slugs prefer to eat pink-flowering over white-flowering plants (due to chemical differences between the two), and plants experiencing severe herbivory are more likely to die. The bees that pollinate this plant also prefer pink to white flowers, so that Claytonia with pink flowers have greater relative fruit set than Claytonia with white flowers. A researcher observes that the percentage of different flower colors remains stable in the study population from year to year. Given no other information, if the researcher removes all slugs from the study population, what do you expect to happen to the distribution of flower colors in the population over time? A) The percentage of pink flowers should increase over time. B) The percentage of white flowers should increase over time. C) The distribution of flower colors should not change. D) The distribution of flower colors should randomly fluctuate over time.