1. What is an atom?

the basic unit of a chemical element

Describe a food chain for a temperate forest community that contains at least four links. Use the following organisms: grizzly bears, oak trees, mice, squirrels, deer, robins, foxes, mushrooms, grass plants, and grasshoppers.

Photosynthetic cyanobacteria caused an increase in atmospheric levels of what

Is 4.472 a rational number

When an apple is cut, oxygen comes in contact with the fruit's inner tissue and browning occurs. One particular enzyme in the apple cells, polyphenol oxidase, begins breaking down the tissue.

What organisms in the biosphere are affected by smog? plants only animals only plants and animals none

Carbohydrates and lipids both contain carbon, hydrogen, and oxygen. How can you tell them apart by looking at the shape of their structures?

Piebald spotting is a condition found in humans in which there are patches of skin that lack pigmentation. The condition results from the inability of pigment - producing cells to migrate properly during development.

Explain the cellular functions that occur when antibiotics attack a bacteria cell.

Which is the most likely medical reason that a doctor might require a pregnant woman to get ultrasounds more frequently

The human activities in two locations are described below: Location A: Rampant use of plastic containers Location B: Excessive use of pesticides and fertilizers Which statement is most likely true? A.