A one-celled fungus is (a) a mold
(b) a spore
(c) a virus
(d) a yeast
A multi-celled fungu is
(a) a mold
(b) a protozoan
(c) a spirochete
(d) a yeast
Heterotrophic bacteria are
(a) parasites
(b) photosynthetic
(c) saprophytes
(d) parasitic or saprophytic
Two major components of viruses are
(a) a protein coat and a nucleic acid core
(b) a nucelic acid and a slime layer
(c) a slime layer and a protein coat
(d) a nucelic acid and a capsule

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .