Answer:
Primary producers, which are usually plants and other photosynthesizers, are the gateway through which energy enters food webs. Productivity is the rate at which energy is added to the bodies of a group of organisms, such as primary producers, in the form of biomass
Answer:
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Explanation:
Within individual organisms, food moves through a series of chemical reactions in which it is broken down and rearranged to form new molecules to support growth or to release energy. Matter is conserved during cellular respiration because atoms are conserved in physical and chemical processes.
Vitamin B12 is more difficult to obtain on a vegan diet since Vitamin B12 is mostly found in most meat and dairy products (which vegans cannot consume). Therefore vegans have to incorporate foods with high amounts of Vitamin B12, such as soy products and to talk to their doctor about taking supplements to make sure they are getting enough.
Vitamin B12 deficiency can cause anemia and nervous system injury
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A small, colourless organelle that gives rise to a plastid (e.g. chloroplast, chromoplast, and leucoplast) Supplement. A proplastid is an organelle found in the meristematic regions of the plant.
I'm not a hundred percent sure but try asking Google