Answer:
highlighted in bold above, are a struggle for existence, variation and inheritance
Explanation:
i hope this helps
Answer:
carbon-to-carbon double bond
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.
Well it happens every six months, one in summer in June and winter December. And if i'm wrong then i understand :) <span />
Answer:
your answer is antibodies reacting to foreign antigens.
