Which of the following describes the delivery of pollen to the stigma?
A) fertilization
B) double fertilization
C) germination
D) pollination
D
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Which tissue gives rise to primary vascular tissues?
a. protoderm b. apical meristem c. ground meristem d. vascular cambium e. procambium
A dihybrid test cross should always result in 50% of the progeny being recessive for both traits
Indicate whether the statement is true or false.
Coastal regions where seawater mixes with fresh water from rivers, streams, and runoff are called
____.
a. neritic zones b. estuaries c. benthos d. wetlands e. intertidal zones
Which of the following statements regarding blood pressure is false?
A) Normal blood pressure for adult humans is usually at or below 120/80. B) Hypertension is defined as persistent systolic pressure above 120 and/or diastolic above 80. C) High blood pressure can lead to an enlarged and weakened heart, increased risk of heart attack, stroke, and kidney failure. D) The higher number in a blood pressure reading measures the force of a heart contraction.