Midterm review

A pond in your yard is home to 5 geese, schools of fish, a spider, hordes of mosquitos and their eggs, and thousands of bacteria. Together these organisms represent

• a species

• a community

• an ecosystem

• a population

Which hierarchy of life is organized from most inclusive to least inclusive?

• cell, organ, population, ecosystem, community

• molecule, cell, organ, community, ecosystem

• community, ecosystem, cell, organ, molecule

• ecosystem, community, organ, cell, molecule

An instructor wanted to see which antibacterial soap is most effective. 3 petri dishes were labeled A,B,C. The same type and amount of bacteria were added to all 3. A & B had 2 ml of antibacterial soap, while C had 2 ml of water. All were incubated at 40C for 24 hrs. Dish B had the least bacteria. What is the independent variable?

• The bacteria tested

• The dish with water only

• The 2 types of soap

• The amount of bacteria

Which statement does not follow Darwin's Law of Natural selection for a species of squirrels after a forest fire.

• The squirrels most adept and able to escape the fire survived and thrived, creating faster squirrels.

• The squirrels who escaped strengthened their genetic trait for good eyesight and agility.

• This species of squirrels did not survive and a new species of squirrels evolved due to natural selection.

• All the squirrels survived and there were no changes to this species of squirrels.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Which of the following are domains?

• Plantae and Fungi

• Fungi and Bacteria

• Eukarya and Archaea

• Bacteria and Anamalia

What defines inductive reasoning?

• Running an experiment to determine the cause of an illness.

• Basing the cause of an illness off of general ideas.

• Basing the cause of an illness on previously accepted theories.

Tags

NGSS.MS-LS2-4

Which of the following is an inference?

• A deer is eating corn.

• Deer eat corn with their mouths.

• When deer have access to corn they will come eat it.

• Deer eat when they are hungry.

Animals are characterized as

• prokaryotic autotrophs

• eukaryotic autotrophs

• prokaryotic hetrotrophs

• eukaryotic hetrotrophs

How many mg are equal to 25g

• .025

• 250

• 25,000

• 250,000

An atom of Fluorine has an atomic number of 9 and an atomic mass of 19. When it is stable how many neutrons does Fluorine have?

• 10

• 9

• 19

• it cannot be determined with the information provided.

Tags

NGSS.MS-PS1-1