Why is the human body considered an open system

What ion is entering the axon terminal at A, and what effect does it have?

What form of energy does a plant store when light is transformed during photosynthesis?

Which phrase describes types of freshwater wetlands? Select three options

Scientists are concerned about the invasion of pythons in the Florida Everglades. Pythons are from Asia and are not native to the Everglades. They eat eggs and birds, many of which are endangered.

Last year a tornado destroyed many trees in the forest. A few brown bears have been seen in a small town near where the tornado occurred. The brown bears have been seen in the town because A) someone is keeping them as pets.

describe one way a strawberry plant can benefit from the ability to use either mitosis or meiosis for reproduction.

What are deposits brought by flowing water known as

Identify white blood cells as part of the immune system

Most of cells work is carried out by___, which are made from many ___.

The shape of a protein molecule determines its