What percent of implanted clone embryos
survive to be born alive?
a. 2.
b. 5.
c. 10.
d. 25.
e. 50.
A
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A technique used in dating a rock can be used to accurately predict the age of the fossils occurring in the rocks. This technique involves
A. fossil dating. B. successive rock layering. C. radioactive isotope decay. D. structural geology. E. developmental geology.
In 1908, chemist Kikunae Ikeda identified a new taste modality he called "umami", or "delicious" in Japanese. It gives a savory flavor to meat, seaweed, and tomatoes. What molecule is responsible for umami?
A. Na+ ions B. H+ ions C. glutamate D. Mg+2 ions E. Fe+2 ions
The oldest fungal fossils resemble ____, a group of modern fungi
a. lichens b. yeasts c. chytrids d. amoebas e. cyanobacteria
The vertebrae of today’s cod fish is a _____ with the prehistoric bony fish who also possessed vertebrae
a. homoplastic character b. monophyletic character c. shared derived character d. shared ancestral character e. shared homologous character