Jenny wanted to know if tomato plants need sunlight in order to grow.

what kind of investigation can jenny do to answer the question?

a. set a whole group of plants in the sun and water half of them.

b. set a whole group of plants in the sun and record the results.

c. set some plants in the sun, some in the shade, and compare the results.

Are characterized by dry conditions, limited vegetation and wide temperature range. a.) tropical rain forests b.) deserts c.) grasslands d.) none of the above

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species