Mid term
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Bacteria and humans are similar in that they both
contain genetic material
An ecosystem is self-sustaining as long as organisms have sufficient quantities of energy, oxygen, minerals, and water. When organisms die, some of these materials are recycled back to plants in the ecosystem primarily through the activity of
decomposers
Which cell structure is mainly responsible for releasing energy from food molecules in some single-celled organisms?
mitochondrion
Which sequence represents structures organized from least complex to most complex?
nucleus → nerve cell → brain → nervous system
During gas exchange, the cell membrane of a single-celled organism has the same function as which organ system in humans?
respiratory
