What contribution did Charles Lyell make?
A) He found some bird specimens on the Galapagos Islands.
B) He found some fossils of extinct species.
C) He suggested that life evolves through physical changes within the life span of an organism.
D) He provided the first evidence that the Earth is much older than was previously thought.
D
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In relation to malaria and P. falciparum, the human liver and circulatory system (especially red blood cells) are both locations that:
A. have immune system cells that express the PfEMP1 T cell receptors. B. contain P. falciparum during some stage of its life cycle. C. have immune system cells that can effectively keep up with P. falciparum's antigenic variation. D. demonstrate granulomas in response to P. falciparum infection.
Feeding aphids are anesthetized by exposure to
__________ in translocation experiments. a. alcohol fumes b. carbon dioxide c. methane d. high levels of oxygen e. smoke
Which type of cell division is responsible for the wound healing depicted in the image?
A) Viviparity B) Mitosis C) Binary fission D) Budding E) Meiosis
What is the correct rank order for relative toxicity (most to least) of the primary nitrogenous wastes generated by different animals?
A. ammonia ? uric acid ? urea B. urea ? ammonia ? uric acid C. ammonia ? urea ? uric acid D. uric acid ? ammonia ? urea E. urea ? uric acid ? ammonia