Answer:
The brain cells and skin cells both contain DNA molecules, and their DNA molecules contain the same genetic information. The brain cells and skin cells both contain DNA molecules, but their DNA molecules contain different genetic information.
is important to the transmission of nerve impulses.
a) Zinc
b) Calcium
c) Sodium
d) Iron
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.
D. Homeostasis- naturally selected function
Primary succession occurs<span> in essentially lifeless areas—regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. Secondary </span>succession occurs<span> in areas where a community that previously existed </span>
