The answer is D) herbivores
<span>The endoplasmic reticulum assembles components of the cell membrane. And because the question states that it has ribosomes attached to it, the answer would be the rough endoplasmic reticulum.</span>
The purpose of ethical guidelines for handling of experimental subjects is to ensure the safety and well-being of all living creatures in an experiment.
Ethical guidelines include issues such as human rights, animal welfare, safety compliance with the law, conflicts of interest, health standards..
Ethical guidelines are the norms for the acceptable and unacceptable behaviors of the researchers.
Explanation:
If water did not expand when freezing, then it would be denser than liquid water when it froze; therefore it would sink and fill lakes or the ocean from bottom to top. Once the oceans filled with ice, life there would not be possible.