Alan Cheetham observed a punctuated pattern of evolution in the ____, small ectoprocts from the Caribbean Sea
a. trilobites
b. arthropods
c. crustaceans
d. Metrarabdotons
e. echinoderms
ANSWER: d
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Spicules are ____ that are found in sponges
a. fibrous skeletal proteins b. specialized digestive cells c. complicated pore openings and passageways d. needlelike skeletal structures made up of silica or calcium carbonate e. feeding cells with a flagellum surrounded by a collar
What is the correct order of land mass
formation starting with the oldest and moving towards the most recent?
a. Pangaea ? Gondwana ? Earth's crust b. Earth's crust ? Pangaea ? Gondwana c. Earth's crust ? Gondwana ? Pangaea d. Gondwana ? Earth’s crust ? Pangaea e. Pangaea ? Earth's crust ? Gondwana
In humans, fungi are most likely to infect ____
a. Skin b. Blood c. Bone d. Muscle e. connective tissue
Given that an individual's presence at the scene of the crime is required in order for that individual to commit the crime, the use of alibis, or evidence of suspects being somewhere other than the crime scene at the time of the crime is an example of what sort of proof?
A. Proof by induction B. Inductive reasoning C. Direct proof D. Proof by transposition