What kind of animal is this? it was found in a lake.

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

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.