Which appendages in chelicerae are used in place of antennae to provide tactile sensory information?
a. chelicerae
b. ovigers
c. pedipalps
d. trochanter
c. pedipalps
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If this moth were to go extinct as a result of overuse of pesticides, what would happen to the plant?
1.It would use a different species as a pollinator.
2.It would evolve a different structure for pollination.
3.A different species of moth might evolve to pollinate the plant since it would not have to compete with the hawk moth.
4.The plant would go extinct as well.
DNA and RNA are alike in
a. the pentose sugar. b. all the nitrogenous bases used to assemble the genetic code. c. the number of strands. d. their function in genetics. e. none of these.
All of the following are animal mechanisms to cope with the problem of water balance except
A. secretion of regulatory hormones into the tubule. B. passage of water and waste of the body across a layer of cells into a tubular structure. C. kidneys used as filtering organs. D. being an osmoconformer E. coupling of water/salt removal with metabolic waste removal.
The initiation of the S phase and the M phase of the cell cycle depends on a pair of molecules called _______ and _______.
a. actin; myosin b. Cdk's; cyclin c. ligand; receptor d. MSH; MSH-receptor e. ATP; ATPase