Animals must obtain energy from sources outside their own body. Which of these substances is a source of chemical potential energy that animal cells can use?

A. soil

B. air

C. iron

D. sugar

What determines the similarities in anatomical features among organisms? A) location on Earth B) environmental conditions C) predator-prey relationships D) chromosomes and genes

What is the name of an animal without a notochord, but has a backbone?

In the polyatomic ion tco4-, tc has a hypothetical charge of 7+. the 99tc isotope is used in medicine for imaging purposes. it has a mass of 98.90625 amu. give the number of protons, neutrons, and electrons for a tc7 + ion.

In plants, meristematic cells are most similar to which type of cells in animal tissues?

Why is summer considered the best out of the 4 seasons? Explain why ...

Why fresh water fishes pass large quantity of dilute urine

According to the gate-control theory, a back massage would most likely reduce your physical aches and pains by causing activation of nerve fibers in your spinal cord. the cochlea to transduce impulses sent to the spinal cord.

What is the atomic number? What does it tell us about an atom?

The particles of a sample do not change their arrangement. This remains true when the particles are placed in a different shaped container.

Which of these provides your body with energy?