Holoparasites are plants that lack chlorophyll and are thus nonphotosynthetic, relying totally on a host's tissues for nutrition
Indicate whether the statement is true or false
TRUE
Biology & Microbiology
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Which process ensures that seeds produced in temperate climates will not germinate before spring?
a. dormancy b. scarification c. vernalization d. dispersal
Biology & Microbiology
The distribution of species is rarely determined by minimum and maximum temperature tolerances
Indicate whether the statement is true or false
Biology & Microbiology
Which chemical is photosensitive and allows plants to "measure" day length?
A) abscisic acid B) malic acid C) cytokinin D) phytochrome
Biology & Microbiology
Allergy is a ____ response to ____ antigens
a. hypersensitive; environmental b. hyposensitive; cellular c. normal level; microbial d. mixed; protein e. mixed; microbial
Biology & Microbiology