All cephalic organisms:a
have bilateral symmetry.
b. have a coelom.
c. receive stimuli equally from all directions.
d. have bilateral symmetry and a coelom.
e. have bilateral symmetry, a coelom, and receive stimuli equally from all directions.
A
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A population of ground squirrels has an annual per capita birth rate of 0.06 and an annual per capita death rate of 0.02. Calculate an estimate of the total number of individuals added to (or lost from) a population of 1000 individuals in one year
A) 120 individuals added B) 40 individuals added C) 20 individuals added D) 400 individuals added E) 20 individuals lost
If the paternal chromosome has alleles L, M, and n
and the maternal chromosomes have l, m, and N, then the chromosome that cannot be produced by crossing over is a. LMN b. LMn c. LmN d. Lmn e. lmn
All of the following are true regarding coral reefs
EXCEPT that they a. develop in warm, clear waters near coasts or volcanic islands. b. are found between 25 degrees north and south. c. are wave-resistant formations. d. are areas of abundant resources and minimal competition among inhabitants. e. contain the remains of hard corals and the mineral-hardened cell walls of red algae.
Using the Goldman equation, what is the approximate resting potential due to Na+ and K+ if the relative permeability of K+ to Na+ is 30 to 1 and the concentrations of K+ are 10:100 (out:in) and the concentrations of Na+ are 140:10 (out:in)?
What will be an ideal response?