Which is not an example of matter and energy cycling through living things? A. Cows eating grass
B. A rock resting on the ground
C. Grass giving off oxygen
D. Grass growing

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

What is a general feature of a species that varies from one individual to the next (skin tone, eye color or hair color)? a. organism b. trait c. character

Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome