One characteristic of the class Holothuroidea is that they:a
are predators that consume partially digested prey.
b. are mostly extinct species.
c. have a reduced endoskeleton consisting of microscopic plates embedded in the body wall.
d. have moveable spines that are used to facilitate locomotion.
e. have a distinct central disk with very long, slender arms
c
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Which of the following are "usable" forms of nitrogen (N) and sulfur (S) that plants and animals can use to build proteins?
A. both N2 and NO3 B. both S2 and S3 C. both SO4 and NO3 D. both NH3 and S2 E. both N2 and S2
Which of the following statements is true regarding Wolbachia bacteria?
A. Wolbachia co-evolved with insects. B. Wolbachia can selectively kill male insect embryos. C. Wolbachia can convey Dengue-resistance in insects. D. Wolbachia can affect the reproductive structures of its insect hosts. E. All of these statements about Wolbachia are true.
The scientific name of humans is Homo sapiens. What is the genus of humans?
A. Homo B. Animalia C. Eukarya D. Sapiens
Strategic management may be defined as:
A) the broad duties that business must perform to retain society's support. B) actions taken by managers to adapt a company to changes in its market and sociopolitical environments. C) formal patterns of relations that link people together to accomplish a goal. D) a network of human relations composed of ideas, institutions, and material things.