Which of the following is NOT a bias that could be encountered when investigating the role of
competition in a community?
a. More studies are published when competition is a factor.
b. More studies in K-selected species than in r-selected species.
c. The importance of competition may be overestimated.
d. The importance of competition may be underestimated.
e. The assumption that evolution never occurs.
E
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Instability of radioisotopes is caused by
a. sudden temperature variations. b. environmental humidity. c. the random motion of atoms. d. the disintegration of a neutron into a proton and an electron. e. the motion of electrons and neutrons.
Flowering plants appeared in the fossil record in the:a
Cenozoic era. b. Late Cretaceous period. c. Paleozoic era. d. Jurassic and Lower Cretaceous periods. e. Tertiary period.
Which one of the following statements is TRUE regarding bone?
A) The epiphysis of a long bone is filled with yellow bone marrow. B) Bone is not considered to be a living tissue because it does not contain cells or blood vessels. C) Dense compact bone is located in the center of a long bone. D) Stem cells responsible for the production of blood cells are located in red bone marrow. E) The outer surface of a bone is covered with loose connective tissue.
Resource partitioning would be most likely to occur between allopatric populations of species with similar ecological niches.
Answer the following statement true (T) or false (F)