In what system is a person a status at birth and remains at that level throughout life?

a. a caste system

c. a closed system

b. an open system

d. a class system

Why do we see different phases of the lunar cycle? As the moon rotates around its axis, different sides of it become visible, As Earth rotates around its axis, people can see different sides of the moon.

How are gene pairs written out?

In fruit flies, long wings are dominant to short wings in the chart what are the phenotypes ofbthe offspring

the loss of biodiversity could lead to which of the following niche generalizations, genetic diversity, overpopulation, extinction

Which are used for radioactive isotopes? Check all that apply. Medicine Agriculture Geology Archaeology Meteorology Architecture

Describe logistic population growth from a small population to a large one. be sure you talk about the population growth rate (the numbers of individuals added to the population over time) and carrying capacity.

What are the key elements of cell theory? chose all that aply A. All living things are composed of one or more eukaryotic cells. B. Cells arise only from other cells. C. The cell is the basic unit of life. D.

How is polar molecule different from a non polar molecule

Fetures of unwarped mountains

What scientist discovered cells by observing cork with a homemade microscope