In your laboratory, you examine a vial of freshwater from a local pond. You notice several unfamiliar small (less than one millimeter in length) animals and decide to study them
You observe that the animals have a coelom, eat microscopic food particles, reproduce by parthenogenesis, and have offspring that do not undergo any larval stages. What else would you expect to observe about this organism?
A) a corona
B) a lophophore
C) a scolex
D) chaetae
E) a mantle
Answer: A
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a. 15,000 acres b. 30,000 acres c. 120,000 acres d. 240,000 acres
On its own, the product of the C group gene alone in Arabidopsis thaliana triggers
a. sepal development. b. stamen development. c. carpel development. d. petal development. e. stamen and carpel development.
Which of the following is TRUE regarding HIV and AIDS?
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The word “echinoderm” refers to
a. rounded skin b. smooth skin c. crusty skin d. spiny skin e. none of the above