Answer:
DD or Dd
Explanation:
Dimples is the dominant trait (D). Your friend has dimples so that means he or she should have at least one allele of the dominant trait to express that trait. So your friend would either be homozygous dominant (DD) or heterozygous dominant (Dd). Notice that there is a recessive allele in the second. Even with that present, dimples would be still expressed.
Answer:
Autotrophs, unicellular
Explanation:
Algae are simple plant-like protists. They live in seawater, freshwater and in damp places. The algae have chlorophyll meaning they carry out photosynthesis. Some are unicellular and others are multicellular. They have a cellulose cell wall and reproduce either sexually or asexually.
Answer:
B. Dying hair a different color
Alternative energy sources are those that do not deplete natural resources and do not harm the environment.
Options A, B, and C are all fossil fuels, which we know can be depleted and harm the environment.
The only valid option here is D, Geothermal energy.
Geothermal energy is both renewable and environmentally friendly.
Mechanical energy converting to chemical energy.
