What is the one main difference in how unicellular organisms and multicellular organisms maintain homeostasis.
only unicellular organisms have specialized cells that work to maintain homeostasis
only multicellular organisms have specialized cells that work to maintain homeostasis
only unicellular organisms have to balance factors such as water and temperature
only multicellular organisms have to balance factors such as water and temperature

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

Which image shows labeled organelles that are present only in plant cells?

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.