Plants compete for light, a response known as __________, in which plants tend to grow taller when

closely surrounded by other plants.
a. epinasty
b. phototropism
c. shade avoidance
d. shade tolerance
e. thigmotropism


C

Biology & Microbiology

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Flowering is triggered by the production of _________, which triggers the transition of apical meristem to floral meristem

A. meristemogen B. florigen C. auxin D. gibberellin E. ethylene

Biology & Microbiology

Fungi and soil microorganisms provide ____ to ecosystems

a. provisioning services b. regulating services c. carbon sequestration d. hybridization e. support services

Biology & Microbiology

A cell cluster with both algal and hyphal cells that is used for asexual reproduction in lichens is called

a(n)

a. soredium. b. arbuscule. c. thallus. d. sporangium. e. haustorium.

Biology & Microbiology

If the diploid number of an organism is 30, the haploid number of the gametes is ___________.

a. 30 b. 15 c. 60 d. 10

Biology & Microbiology