Draw a trophic pyramid using the animals in the Chesapeake Bay ecosystem. Include the percentage of energy at each level. In your drawing, include the names of the species for each trophic level.

The tubes transporting minerals and water upward are called ?

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Aquaternary consumer species would be expected to have a smaller population than a secondary consumer species. select the best answer from the choices provided t f