In the figure, what was the dependent variable?
A. the presence or absence of the pathogen Phytophthora
B. the percent of the leaf area damaged
C. the percent of the leaf area containing endophytes
D. the age of the leaf
E. the presence or absence of endophyte spores
B. the percent of the leaf area damaged
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Four of the five answers listed below are
characteristics of the majority of animals. Select the EXCEPTION
a. Multi-cellular b. exhibit alternation of generations c. usually motile at least during part of their life cycle d. usually diploid, sexually reproducing forms of life e. usually heterotrophic
Photosynthesis takes place in a specialized tissue of the leaf called
A. cuticle B. mesophyll C. stomata D. petiole
Fats should account for approximately ____ of calories in a balanced diet.
a. 40 to 50 percent b. 10 to 15 percent c. 55 to 65 percent d. 25 to 30 percent
Which of the following would be a function of the sympathetic division?
A) accelerate heart rate B) stimulate the stomach C) stimulate the gallbladder D) constrict the pupils