On a hot summer day, you notice a line of dark clouds forming. Based on this observation,

you go back inside and get an umbrella. What scientific skill have you used?

A.) classification

B.) prediction

C.) communication

D.) quantitative observation

How do you know if something is living or not?

Gregor Mendel studied pea plants to determine the patterns of inheritance. What is not a reason Mendel used pea plants in his experiments? Check all that apply

What are three ways human activity impact ocean ecosystems

How does the shape of a bacterium affect its ability to acquire nutrients and its mobility?

Based on the information in the chart, during which eon would you expect to find fossil evidence about the evolution of insects? A) Phanerozoic B) Proterozoic C) Archean D) pre-Archean

What is the menstrual cycle and how long does it last?

Six fingered offspring are formed from normal fingered parents. why?

What does the red-shift of galaxies indicate? A. The galaxies are not moving. B. The galaxies are shrinking. C. The galaxies are moving toward each other. D. The galaxies are moving away from each other.

Which scientist contributed to our understanding of infectious disease

Which of the following is NOT a function of the blood. Select one: a. Transportation of oxygen and carbon dioxide. b. Protection against blood loss through monocyte-mediated clotting. c. Transportation of hormones from glands to target cells. d.