The worst invasive species brought to Easter Island by the Polynesian settlers was __________.
Fill in the blank(s) with the appropriate word(s).
Answer: rats
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At a minimum, primary producers require water, carbon dioxide, and light. These are things that are readily available in most ecosystems. However, we do not observe the same rates of net primary productivity in every region of the globe
Which of the following statements best reflects one reason why rates of productivity are not the same everywhere? A. Rates of net primary productivity are actually the same everywhere; scientists just need to calculate the rates relative to plant biomass in a given ecosystem. B. Although water is limited in certain ecosystems, nutrients that are scarce actually limit net primary productivity because they are necessary for growth. C. Although water is limited in certain ecosystems, irrigation would solve the problem and equalize rates of net primary productivity in every ecosystem. D. Rates of net primary productivity are actually limited by the amount of solar radiation. If net primary productivity were calculated as a yearly average, then this would show that ecosystems have the same rate of productivity.
A chromosome whose centromere is placed very close to, but not at, one end is called a(n) ____________________ chromosome
Fill in the blank(s) with correct word
Which characteristic is NOT associated with red muscle fibers?
a. myoglobin b. fast fibers c. many blood vessels d. make up postural muscles e. large amounts of oxygen
In the following scenario, where could laboratory transmission occur? : A microbiology student was performing a lab exercise. While performing this exercise the student was wearing a lab coat, eye goggles, and gloves. As the exercise was progressing the student diligently recorded the data with a pen, still wearing gloves. At the end of the lab, the student removed her lab coat, goggles and gloves. She proceeded to wash her hands and place her pen into her backpack.
A) students clothes under the lab coat B) lack of handwashing C) students pen D) students backpack