As you examine a soil sample under your microscope, you note the presence of tiny, worm-like organisms. You immediately suspect that these creatures are nematodes. The presence of which characteristics would support your hypothesis?
A) Longitudinal but no circular muscles;
B) Separate male and female individuals;
C) Shedding of the integument;
D) A tough, collagen-based cuticle

Which sequence correctly shows the path of carbon dioxide during repiration?

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.