Which structures both plant and animal cells meet the challenges of life? a. cell wall and lysosomes b. nucleus and cell membrane c. vacuoles and cell membrane d. flagella and mitochondria

Did you know that a blue wales tongue weighs more than an elephant?

Tides that occur during the new and full moons

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.