Answer:
Because the tongue is a muscle. Muscles can be involuntary(moves without control) or voluntary(controlled). Necessarily, the tongue is not an involuntary muscle, but the tongue not staying still, scientifically, can be a sign of lacking energy.
The answer is algae.
Plankton includes a diverse group of organisms that live in the water, but are not capable of active swimming against the current. Therefore, since shark, squid and crab can swim and algae cannot, <span>among these groups </span>only algae can be a plankton.
Answer:
The light-dependent reactions take place in the thylakoid membranes in the granum (stack of thylakoids), within the chloroplast. Figure: The two stages of photosynthesis: Photosynthesis takes place in two stages: light-dependent reactions and the Calvin cycle (light-independent reactions).
Explanation:
Each stack is called a granum (the plural is grana) which is suspended in a fluid called stroma. The light-dependent reactions occur in the grana; the light-independent reactions take place in the stroma of the chloroplasts.
Answer:
Homologous features
Explanation:
If two or more species share a unique physical feature, such as a complex bone structure or a body plan, they may all have inherited this feature from a common ancestor. Physical features shared due to evolutionary history (a common ancestor) are said to be homologous.