This lineage of Echinoderms is made up of sea urchins and sand dollars, which have their ossicles
fused into solid tests that restrict flexibility but provide excellent protection.
a. Echinoidea
b. Ophiuroidea
c. Crinoidea
d. Holothuroidea
e. Asteroidea
A
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You are studying genes in yeast and find that the genes can be placed into four groups that tend to be inherited together. From this you can conclude that yeast
A. have four chromosomes. B. have four loci. C. have four alleles. D. have four genes. E. produce four cells during meiosis.
Which of the following is a hominid?
a. chimpanzee b. Australopithecus c. baboon d. chimpanzee and Australopithecus e. chimpanzee, Australopithecus, and baboon
Production of (acid/dextran/glycocalyces) allows Streptococcus mutans to colonize the mouth
What will be an ideal response?
Anti-antibodies are used in indirect antibody assays
Indicate whether the statement is true or false