Primary producers are organisms belonging in an ecosystem that produces biomass from inorganic compounds within the environment. They are also called autotrophs and in almost all cases, these are organisms capable of photosynthesis. If they are only able to assimilate 1% of the energy given off by the sun, and the sun provides an energy amounting to 11,382,499 kJ of energy, then primary producers can utilize only 1,138,240 kJ of energy for its photosynthetic activities.
The alveoli of the lungs are surrounded by tiny blood vessels called capillaries
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B. because only amoebas use the false foot or pseudopodia
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The epidermis has tiny pores called stomata that control transpiration and gas exchange with the air. For photosynthesis, stomata must control the transpiration of water vapor and the exchange of carbon dioxide and oxygen.
Explanation:
