Answer:
because existing cells divide to produce new cells
Answer:
envromet which plants organsims human bigse are living
This is false. Green algae consist of the Chlorophytes and Charophyte/Streptophyta. Land plants are classified as embryophytes and are thought to have evolved from the charophytes.
Technically, the definition is that autotrophs obtain carbon from inorganic sources like carbon dioxide (CO2) while heterotrophs get their reduced carbon from other organisms. Autotrophs are usually plants; they are also called "self feeders" or "primary producers".
System that removes solid and liquid wastes is called excretory system.
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