Which of the following is an example of a trait?

1Goldfinches are yellow with black and white wings.

2Sharks have multiple rows of teeth.

3Marco has brown eyes.

4all of the above

People who smoke require additional vitamin c in the amount of

The scientific study of how living things are classified. True or False

What is a negative impact on a nonrenewable resource and a renewable resource?

Each item can be a source of indoor air pollution except

What are 3 human activitys that threaten biodiversity

What are 2 ways nitrogen becomes usable to plants, humans and animals?

What factor has the greatest effect on species diversity

A scientist inserts a radioactively labeled DNA molecule into a bacterium. The bacterium replicates this DNA molecule and distributes one daughter molecule (double helix) to each of two daughter cells.

Which type of Rights is the most recognizable feature of property rights

If element X has 76 protons, how many electrons does it have