Spiders use which mouthparts for subduing prey?
a. mandibles
b. pedipalps
c. chelicerae
d. maxillae
e. labial palps
c
You might also like to view...
Eyes in mammals and _____________ are examples of convergent evolution.
A. eyespots in butterflies B. compound eyes in fruit flies C. eyes in great apes D. eyes in fish
Once the cloning vector was formed, injecting it into the rose cells could be done by
A. enclosing it in a membrane-bound liposome that fuses with the cell membrane. B. attaching it to a virus that will infect the plant cell. C. attaching it to a small bead, and shooting it into the cell with a gene gun. D. All of these options are possible, but depend on the vector and the receiving cell's properties. E. electrifying the cell membrane to open a temporary hole among the phospholipids.
Collagen fibers are characteristic of which
tissue? a. muscle b. epithelial c. connective d. nervous e. glandular
After estimating a logit model for the likelihood of a website visitor clicking through conditional on if the visit occurred on a weekday or not, you get the following results: ClickThroughi = -1.2(0.4) + 0.8(0.2)WeekDayi, where standard errors are reported in parenthesis. What would be the calculation that yields the marginal effect of a visit moving from a weekend to a weekday on click-throughs?
A. 0.8
B. 
- 
C. 
D. -1.2 + 0.8 = -0.4