Tree rings are formed by growth in the ________
a. epidermis
b. vascular cambium
c. periderm
d. cortex
b
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Assuming some bacteria did enter her body, an example of the second line of defense against
these bacteria includes __________.
a. phagocytes b. mucus c. macrophages d. antibodies
Sensory signals that trigger release of saliva are an example of how the nervous system works with which other system?
1.endocrine 2.cardiovascular 3.sensory 4.digestive 5.muscular
Two Drosophila are crossed several times, with the
total number of offspring being 106 females and 48 males. There is too great a deviation from the expected 1:1 ratio for chance alone to account for the difference. What other factor could account for this difference? What will be an ideal response?
The website www.choosemyplate.gov ________
A) helps you find restaurants online B) is a private online store selling dietary supplements C) promotes USDA's dietary guideline D) sells kitchenware