FSSA Life Science

Gerald listed four levels of structural organization within multicellular organisms. He listed them in order from the smallest structure to the largest structure. Which list is correct?

• cells, tissues, organs, organ systems

• cells, tissues, organ systems, organs

• tissues, cells, organs, organ systems

• tissues, cells, organ systems, organs

Tags

NGSS.MS-LS1-3

Which must be true of any hypothesis for it to be useful in a scientific investigation?

• It must be supported by data.

• It must be used to develop a theory.

• It must lead to further investigations.

• It must be developed without depending on prior investigations.

Tags

NGSS.HS-PS1-2

The diagram shows steps a scientist might follow when conducting an investigation.

Which should replace the question mark in the final step?

• develop a theory

• draw conclusion

• select equipment

• identify the variables

Which best describes an experiment?

• A scientist measures the height of crops that received different fertilizers.

• A scientist measures the speed at which an eagle travels while it is hunting.

• A scientist measures the diameter of a certain type of tree throughout a forest.

• A scientist measures the rate at which a population of wild insects reproduces.

Zachery conducts an investigation involving cells. He finds that adding a certain chemical to a cell causes it to make a protein that humans need to stay healthy. What should Zachery do next?

• Repeat the investigation to see if he gets the same results.

• Publish the results in a scientific journal.

• Hold a press conference to announce the discovery.

• Destroy the procedure so that no one else can repeat it.

Tags

NGSS.MS-LS1-5

• computer model

• conceptual model

• physical model

• mathematical model

Tags

NGSS.MS-LS1-6

Scientific knowledge can be changed. Which would most likely lead to a change?

• A scientist makes observations to test an older idea.

• A scientists raises new questions about an older idea.

• A scientists has a new idea that goes against an older idea.

• A scientists collects data that fails to support an older idea.

Tags

NGSS.MS-PS1-2

Which of the following is a true statement about the scientific theory of evolution?

• It was accepted by all scientists without question.

• It proved what most scientists believed at that time.

• It has no significant impact on scientific thought and society.

• It was developed using larger amounts of empirical evidence.

Tags

NGSS.MS-LS4-4

When does erosion take place?

• after water, ice, and wind make rock from soil and sediment.

• as tectonic plates collide and one plate sinks below the other.

• when heat and pressure inside Earth change a rock's structure.

• as water, ice, wind, and/or gravity move soil and sediment from one place to another.

Tags

NGSS.MS-ESS2-4

Which statement is true according to the law of superposition?

• Young fossils replace old fossils.

• Oldest fossils are in the top rock layers.

• Oldest fossils are in the bottom rock layers.

• Youngest fossils are in the bottom rock layers.

Tags

NGSS.MS-ESS1-4