Which of the following statements about tunicates is incorrect?
A. Tunicates are nonvertebrate chordates.
B. Tunicates are all marine animals.
C. Tunicates are sessile as adults.
D. Tunicate larvae are tadpole-like with all of the basic chordate characteristics.
E. Tunicate larvae can reproduce.
E. Tunicate larvae can reproduce.
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Quality control is set up to determine the validity of cetrimide agar. Which two organisms should be used?
a. B. bronchiseptica and Cupriavidus pau-culus b. A. denitrificans and Alcaligenes faecalis c. Achromobacter piechaudii and B. bron-chiseptica d. Centers for Disease Control and Preven-tion (CDC) Alcaligenes-like group 1 and C. pauculus
Specialized outgrowths of the plant epidermis called ____ are hairlike projections, such as root hairs
a. cuticles b. protoplasts c. stomata d. trichomes e. bark
The nitrogenous bases of DNA stores genetic information. Indicate whether the statement is true or false
Life tables are most useful in determining which of the following?
A) carrying capacity B) the fate of a cohort of newborn organisms throughout their lives C) immigration and emigration rates D) population dispersion patterns E) reproductive rates