A(n) __________ is an example of an ecosystem with high primary productivity, while a __________ is an example of an ecosystem with low primary productivity.View Available Hint(s)for Part Aalgal bed; desertopen ocean; wetlandtundra; coral reefdesert; tundra

Gross primary productivity is highest in1 MarksChoose Option AA. Grass landsChoose Option BB. Wet tropical forestsChoose Option CC. Agro ecosystemChoose Option DD. Open oceans

Net primary productivity is ________.the amount of detritus produced by an ecosystemthe biomass of producers minus that of consumersthe total biomass of an entire ecosystemthe energy used by plants to make biomass after respirationthe amount of energy consumers derive from producers

The number of ecosystems in an area is known as ecosystem ______.

Which of the following is an example of a keystone species in an ecosystem?a.Beesb.Mossc.Oak treed.

The transitional zone between ecosystems is called a(n) __________.View Available Hint(s)for Part AHint 1for Part A.Review the section “Ecosystems”.BiomeEcotonedead zoneEcozone