Answer the following questions true (T) or false (F)
1. Lobe-finned fish gave rise to tetrapods that successfully moved onto land.
2. There are currently at least 2 dozen species who are candidates for membership in the Hominini (human-like primate) group.
3. The hominid group of primates has existed on Earth for approximately 6—7 million years.
1. TRUE
2. TRUE
3. TRUE
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The structural and trophic foundation of coral reefs is a mutualistic relationship between
A) cyanobacteria and sponges (Porifera). B) chemolithotrophic bacteria and stony corals (Cnidaria). C) dinoflagellates and stony corals (Cnidaria). D) cyanobacteria and stony corals (Cnidaria).
As the average age of the population increases, the incidence of Alzheimer’s disease is also expected to increase
a. True b. False
The chloride ion has an extra electron relative to the number of protons in its nucleus. Thus, chloride:
A) can bind to a cation B) has a negative charge and can bind a cation C) has a negative charge D) has lost an electron
The tropical grassland in Africa is called the
A. tundra. B. chaparral. C. taiga. D. prairie. E. savanna.