Algae obtain energy by.

Which organelle packages proteins in vesicles and sends them to the body where they are needed?

After humans migrated out of Africa, where did they inhabit first? a.) Siberia b.) North America c.) Europe d.) South America

Some plants make large seeds (eg coconut palms), while some make numerous seeds (eg sunflowers). Why isn't there a plant that makes numerous, large seeds?

What are the closest living relatives to organgutans

What three particles make up atoms?

What tool is use to measure an objects mass?

Which of the following statements about the electron transport chain is true? a. The proton gradient established during electron transport is a form of potential energy. b.

Which analogy best describes theories? Theories are like rocks because they can change but not easilly. Theories are like tides because they frequently go back and forth. Theories are like time because they are eternal and never change.

What happens at level IX on the mercalli scale?

Describe at least one property that occurs because of the polarity of water