Match each galaxy to its description.

spiral galaxy

the Milky Way is one

irregular galaxy

contains mostly older

stars

elliptical galaxy

contains mostly young

stars

A researcher observing an ecosystem describes the amount of sunlight, precipitation, and type of soil present. Which factors is the researcher most likely describing?

Whatcan adapt to changes?

What would happen to an enzyme if the temperature and pH changed significantly beyond the enzyme's optimum level?

The ovaries are part of the endocrine system.

What would you use to detect the presence of electric charges?

What Are Genes? A. the observable characteristic B. the expressed trait C. the basic unit on inheritance D. the measurable factor

Which best describes oogenesis and spermatogenesis?

What is one thing that all types of asexual reproduction have in common?

How is a dog similar to a baseball player?

What experimental evidence leads scientists to believe that only quantized electronic energy states exist in atoms?