Eukaryotes usually contain
a. a nucleus.
b. specialized organelles.
c. genetic material.
d. all of the above

While eating cake crystal watched kisha place her hand in the frosting and rub it in her hair afterwards crystal did the same with her piece of cake crystal displayed

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil