The base of the pyramid is built from organisms that primarily A) are autotrophs. B) are heterotrophs. C) consume organisms located above them.

Which level does macroeconomics focus on? A. personal B. business C. government

Can a dragon with forelimbs be made with the allele combination forelimbs, no forelimbs?

How does the structure of the corn leaf differ from that of the dicot leaf?

How did the use of coal affect human activity in the 1800s?

In this type of cartilaginous joint, bones are connected by fibrocartilage. the joint is amphiarthrotic.

Which of the following best explains the importantance of studying the ocean carbon cycle A) The ocean have a significant impact on the levels of atmospheric gases B) It is a new field of ocean science C) The ocean releases one quarter of the carbon

Which statement about electrons and atomic orbitals is NOT true? An atom's lowest energy level has only one orbital. An electron cloud represents all the orbitals in an atom. An electron has the same amount of energy in all orbitals.

What two body systems play a role in the flexion of an elbow joint

How does mutation contribute to variety in a species

True or False? Convection currents produce the heat in the Earth's interior.