"Tardigrada" means
a. tough exoskeleton.
b. many proglottids.
c. slow walker.
d. short digestive system.
e. coelom.
C
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The tree above is based on which type of traits and what is the genus name for the most recent horse?
A. Genetic (DNA): Orohippus.
B. Morphological: Equus.
C. Molecular: Equus.
D. Genetic homology: Pliohippus.
E. Morphological: Hyracotherium.
Covalent modification of enzymes most commonly uses phosphoryl, methyl, and adenyl groups.
Answer the following statement true (T) or false (F)
In which of the following properties are the archaea more like eukaryotes than the bacteria?
A) size B) microtubules and microfilaments C) translation initiation D) mode of cell division E) both translation initiation and mode of cell division
A behavior that benefits others at a cost to oneself is known as
A. group selection. B. cognition. C. cooperation. D. altruism. E. aggression.