A plant’s response to the relative lengths of light and dark periods in its environment during each 24-hour period is a

phenomenon called ____.



a. gravitropism
b. photoperiodism
c. thigmotropism
d. circadian rhythms
e. phototropism


ANSWER: b

Biology & Microbiology

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Muscles are connected to bones by ____

a. ligaments b. epithelium c. tendons d. joints e. bones

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What term refers to the similarity between parents and offspring and what term refers to the lack of similarity between parents and offspring?

What will be an ideal response?

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Lichens can form from the symbiotic relationship between a photosynthetic bacterium and a fungus

Indicate whether the statement is true or false

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