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Answer: Actually, almost all organisms obtain their energy from photosynthetic organisms. ... Only cells with chloroplasts—plant cells and algal (protist) cells—can perform photosynthesis. Animal cells and fungal cells do not have chloroplasts and, therefore, cannot photosynthesize.
Heterotrophs are organisms incapable of photosynthesis that must therefore obtain energy and carbon from food by consuming other organisms. The Greek roots of the word heterotroph mean “other” (hetero) “feeder” (troph), meaning that their food comes from other organisms.
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Answer:
Animals that form part of the tree of life
Explanation:
The tree of life is a diagram used in evolutionary biology to organize life into categories and to classify different species. In this case, tuna, turtles, and chimpanzees and humans are species that can be grouped in the animal category, within the vertebrates group (chordate phylum), being it the most inclusive level at which all these species belong.
The substance which is the most
direct source of the energy used by an animal cell for the synthesis of
materials is Adenosine triphosphate (ATP). ATP, made up of an adenine
nucleotide bound to three phosphates, is the molecular currency of transfer of
energy within the cell.