Which two of these characteristics are examples of endoskeletons

The integumentary system is composed of the A. stomach, liver, and spleen. B. skin, hair, and nails. C. bones and muscles. D. kidneys and intestines.

Isotopes have different numbers of:

Which of the following is not a main characteristic of minerals?

Which tissues make voluntary movement possible?

What is the name of an organism that eats only producers

What is NOT an impact that an invasive non-native species has on an ecosystem?

Which organs of the vestibular apparatus would be activated by movements of the ship at sea?

Which process causes the easterlies to flow in the direction they do?

What organism does not have a cell wall

Which of the following is a stress-related disorder/disease? (Choose all that apply.) -Migraine headaches -tense muscles -heart disease -tmj dysfunction -asthma -anxiety disorder -backache -chronic fatigue -high blood pressure -cold and flu