the organism in the photograph shares many characteristics with humans. which characteristic is a common or shared feature between the organism and humans?

a) closed circulatory system
b) respiration through lungs
c) respiration through the skin
d) complete digestive system with a crop and gizzard

Which flexible structure that supports the nerve cord and led to the backbone

Chalk is an ionic compound. which is a property of all ionic compounds that makes chalkboard? particularly useful for writing on a a high melting point hardness and brittleness inability to dissolve in water a multicolored appearance

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.