Scanning electron microscopy (SEM) is especially suited to
A) observing living specimens.
B) examining internal cellular structure.
C) creating a sense of depth.
D) both observing living specimens and creating a sense of depth.
E) simultaneously observing living specimens, examining internal cellular structure, and creating a sense of depth.
Answer: C
You might also like to view...
DNA replication is a semi-conservative process. This means that after replication, ________.
A. each new DNA double helix consists of two old strands B. each new DNA double helix consists of two new strands C. each new DNA double helix contains 25% of the old DNA double helix D. each new DNA double helix consists of one old strand and one new strand
Geographic biodiversity "hot spots"
A. have the highest vascular plant species richness and ?3 unique ecosystems. B. have ?1500 endemic plant species and have lost ?70% of the original habitat. C. have the greatest number of species that have lost >50% of their original range. D. contain ?1500 vascular plant species and have lost >50% of their original range.
Hydra, a type of cnidarian, have equal survival rates through life because they are equally fit at all stages. Hydra are an example of an organism with a type ______ survivorship curve.
A. 0 B. I C. II D. III E. IV
Which organism has the narrowest ecological niche?
A. A remora that will hitchhike on any species of shark, eating its scraps B. A shark that will eat anything that can fit into its mouth C. A parasitic crab that infects only sea urchins D. A sea urchin that eats several species of algae E. A lobster that eats any type of small, bottom-dwelling shellfish