How did the control group differ from the
experimental group in the butterfly experiment?
a. They were different species.
b. Their native habitat area of the forest differed.
c. They tasted worse.
d. They had unmodified wing spots.
e. They preferred different flower species.
Answer: d
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Osmotic pressure is a function of the difference in the concentration of ____ on the two sides of the membrane
Fill in the blank with the appropriate word.
Congenital deafness in humans is due to the
homozygous condition of either of the recessive genes d or e, or both of these genes. Both dominant D and E are necessary for normal hearing. Gene D/d affects the middle ear, while gene E/e affects the inner ear. It does not matter how good the normal inner ear (as indicated by E__) is; if there is something wrong in the middle ear, the individual is unable to hear. The same applies for the other gene. Give the phenotypic results of the following crosses: (a) Dd EE x Dd EE (b) Dd Ee x Dd Ee (c) dd EE x DD ee (d) Dd EE x Dd ee (e) Dd EE x DD Ee What will be an ideal response?
One example of fungal spores being transferred long
distances on air currents is a. spores attached to flying tree frogs. b. dust storms from Africa bringing spores of Aspergillus sydowii. c. mushrooms growing on the underside of airplanes. d. hurricanes spreading mushrooms in the vortex. e. all of these.
The structure that is shared between the male reproductive and urinary systems is the ________
A) prostate gland B) seminal vesicles C) urethra D) seminiferous tubules