In regard to physical fitness, the overload principle can be defined as
What will be an ideal response?
Increasing exercise stress, which results in an improvement in physical fitness
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J. A. Milburn and R. P. C. Johnson developed an acoustic method for detecting cavitation in plants. This involves "listening" for characteristic clicks produced during air-bubble formation, using sensitive microphones and amplifiers
In one experiment with the castor bean plant (Ricinus communis), they detached leaves by cutting the petioles and subjected them to various treatments. Which of the following would be LEAST likely to be observed in such an experiment? A) as the leaf is allowed to wilt, recording many clicks that approximately equal the estimated number of vessel elements in the cut petiole B) after increasing transpiration by blowing warm air across the leaf, recording an increased rate of clicking C) after adding water to the cut end of the petiole, recording an increased rate of clicking
Which of the following does not pertain to helminths?
A. Parasitic worms B. Have organ systems C. Eggs and sperm used for reproduction D. Often alternate hosts in complex life cycles E. Members of Kingdom Protista
Surface tension is an example of ____
a. hydrophobicity b. concentration c. evaporation d. cohesion e. polarity
The past 542 million years is collectively known as the ________ eon
A) Phanerozoic B) Cenozoic C) Archaean D) Paleozoic E) Cambrian