The theory of evolution is the single most unifying concept of biology today
Indicate whether the statement is true or false
TRUE
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What is wood?
a. secondary xylem that has accumulated outside a cylinder of vascular cambium b. secondary xylem that has accumulated inside a cylinder of vascular cambium c. primary xylem that has accumulated outside a cylinder of vascular cambium d. primary xylem that has accumulated inside a cylinder of vascular cambium e. vascular cambium cells
Strength training involves ____
a. activities like jogging and swimming b. intense, short duration activity c. decreased number of myofibrils d. recruiting more enzymes in aerobic activity e. producing muscles with higher endurance
The benefit of sexual reproduction is the production of genetic ________ in offspring
Fill in the blank with correct word.
Some organisms are capable of asexual or sexual reproduction. Under normal conditions, reproduction tends to be asexual. Why does reproduction tend to switch to a sexual mode during more stressful conditions?
A. asexual reproduction requires more energy to conduct B. Sexual reproduction is simple and more rapid, allowing more offspring C. Sexual reproduction reduces stress, because it derives nutrients mutually from two individuals D. sexual reproduction produces offspring with new combinations of chromosomes, increasing diversity