Which of the following best compares gymnosperms and pteridophytes? a- they both produce seeds, but gymnosperms produce flowers and fruit, while pteridophytes do not. b- they are both vascular plants, but gymnosperms produce cones and pteridophytes produce seeds. c- they are both vascular plants, but gymnosperms produce seeds and pteridophytes do not. d- they both produce seeds, but gymnosperms are vascular and pteridophytes are nonvascular.

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

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.

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?