After four observations, Darwin made the inference that natural selection causes what process?
What will be an ideal response?
evolution
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Which statement about guard cells is false?
A. Fern guard cells shrink and swell in concert with adjacent epidermal cells. B. Angiosperm cells shrink and swell in concert with adjacent epidermal cells. C. Angiosperm guard cells exchange solutes with adjacent epidermal cells. D. The resting state of guard cells is closed.
In biology lab, you are tasked with measuring the temperature of a small lizard, as it is moved from containers with different temperatures, light, and humidity. These elements require monitoring since lizards cannot self-generate heat. Therefore, lizards are an example of a(n)
A. mesophile. B. thermophile. C. ectotherm. D. amniote. E. endotherm.
The entire range of factors an organism has available to exploit in its habitat is its
A. expansion niche. B. fundamental niche. C. niche. D. realized niche.
Which of the following is a sterilizing agent?
A. ozone B. hydrogen peroxide C. peracetic acid D. dish soap E. peracetic acid and hydrogen peroxide