The correct option is B.
Communication between cells can be inter communication or intra communication. Inter communication refers to a type of communication in which message is transfer from a near or distant cell to another cell, while the intra communication form of message transfer is one in which a message is been passed across within a single cell.
In the option B above, a single cell is involved and that is an example of an intra communication. The other options are example of inter communication.
Answer:
The other populations will decrease.
Explanation:
If the grass population decreases, then the grasshoper population will decreace, causing the mice population to decrease, which will lead to the decrease in owl population.
The first sentence is true
Answer:
Poriferans.
Explanation:
The evolution of the organisms has been occur from the simple organisms and leads to the evolution of the more complex organisms. This complexity arises due to the changing environment of the organisms.
The protozoans are the simplest organisms and all the other animal lineage has been derived from the porifera. The porifera are the cellular organisms that do not have tissue level of organization and simple physiological system. Later, diverse and complex organisms arise from the porifera.
Thus, the correct answer is option (1).
Answer:
Probably this site tells you the broad idea of this subject. https://faculty.weber.edu/btrask/genetics_practice_problems-answer_key.pdf
Explanation:
I don't know anything really, I just saw the please help me title while reading an answer and this is a long shot away from my major. My best guess is A.