Which of the following ecosystems would likely have a larger net primary productivity/hectare?
a. open ocean because of the total biomass of photosynthetic autotrophs
b. grassland because of the small standing crop biomass that results from consumption by herbivores and rapid decomposition
c. tropical rainforest because of the massive standing crop biomass and species diversity.
d. cave due to the lack of photosynthetic autotrophs
e. tundra because of the incredibly rapid period of growth during the summer season.

Collective bargaining provides for a representative of employees to negotiate with a representative of management over labor issues including wages.true or false?

Captain john's yachts, inc., located in fort lauderdale, florida, rents three types of ocean-going boats: sailboats, cabin cruisers, and captain john's favorite, the luxury yachts. captain john advertises his boats with his famous "you rent"we pilot" slogan, which means that the company supplies the captain and crew for each rented boat. each rented boat has one captain, of course, but the crew sizes (deck hands, galley hands, etc.) differ. the crew requirements, in addition to a captain, are one for sailboats, two for cabin cruisers, and three for yachts. ten employees are captains, and an additional 18 employees fill the various crew positions. currently, captain john has rental requests for all his boats: four sailboats, eight cabin cruisers, and three luxury yachts. if captain john's daily profit contribution is $50 for sailboats, $70 for cruisers, and $100 for luxury yachts, how many boats of each type should he rent?

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