Leaflike outgrowths at the base of the leaf stalk are referred to as:

a. axils.
b. blades.
c. lamina.
d. petioles.
e. stipules.


e

Biology & Microbiology

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Use the following study to answer the following question(s): A researcher applies varying amounts of fertilizer (0, 2, 4, 8, 10 units) to 50 potted tomato plants. All other variables that may affect the outcome (watering, temperature, sunlight, plant size, etc.) are kept the same from pot to pot. At the end of the growing season, the tomatoes grown on each plant are weighed to determine which fertilizer level produced the largest tomato yield.Which variable is the dependent variable?

A. The plant size at the end of the growing season B. The tomato yield at the end of the growing season C. The temperature D. The fertilizer amount

Biology & Microbiology

The channel between the bladder and the body surface is the _____

a. renal medulla b. fallopian tube c. urethra d. ureter e. epididymis

Biology & Microbiology

Duchenne muscular dystrophy and Becker's muscular dystrophy are caused by different mutations in the same X-linked

gene. a. True b. False

Biology & Microbiology

Which of the following statements is TRUE?

A. Once a person reaches maturity, cell division stops except to repair wounds. B. Cell division in an adult signifies cancer. C. Select cells throughout the body retain the ability to divide and replace themselves. D. Cells making up a multicellular individual are not considered to be individually “alive.” E. All cells retain the ability to divide even after the organism reaches maturity.

Biology & Microbiology