Occurs when the neural tube fails to close and the spinal cord is not encased in the spinal column.

Which is the best example of plant tissue? the answer is d (just took the test)

Astudent measured the amount of carbon dioxide (co2) produced by yeast during an experiment. use the data in the table at the right to answer the questions below. which variable is the dependent variable?

Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis?