The first pair of walking legs in a crayfish, lobster, crab, and their relatives, that is enlarged with a terminal claw is the
a. Protopodite
b. Statocyst
c. Cheliped
d. Pedipalp
e. Exopodite
Answer: c. Cheliped
You might also like to view...
Which type of phosphorylation does not require a membrane?
A. Substrate-level phosphorylation B. Oxidative phosphorylation C. Photophosphorylation D. All types of phosphorylation require a membrane.
Genetic recombination as a result of crossing over occurs more readily in genes that
a. are on the sex chromosomes. b. are on the autosomes. c. are located close together on the same chromosome. d. are located farther apart on the same chromosome. e. are located on different chromosomes.
There are more species of _____________ than there are species of plants.
a. beetles b. mammals c. crustaceans d. flies e. bees
In a normal mammalian birth, how does the body guarantee that birth proceeds to completion?
A. Via negative feedback-stretching of the uterus by the descending fetus induces release of FSH and LHÂ from the posterior pituitary causing even stronger uterine contractions. B. Via negative feedback-stretching of the uterus by the descending fetus induces release of prostaglandins from the posterior pituitary causing weaker uterine contractions. C. Via positive feedback-stretching of the uterus by the descending fetus induces release of prolactin from the posterior pituitary causing even stronger uterine contractions. D. Via positive feedback-stretching of the uterus by the descending fetus induces release of oxytocin from the posterior pituitary causing even stronger uterine contractions.