I Think the Answer
is D...Hopes this Helps <span />
No.Tissue is a group of cells.If the organisms is single called,it can't form a group to make tissues.
Answer:
This structure has not been highly beneficial for the organism
Explanation:
Vestigial structures are cells, tissues, and/or organs that have no apparent function. Vestigial structures are retained during the course of the evolution, but often they are degenerate and/or atrophied (due to disuse). In general, these structures are homologous to anatomical structures that play a specific role in evolutionarily related species. Some examples of vestigial structures include, among others, the presence of the appendix in humans and wings in flightless birds.
Answer: A. The enteric nervous system will slow down digestion to conserve energy.
Explanation:
Viruses are the only thing considered to be a living thing without cells, as they attach themselves to cells to multiply.
