Mixed Deck — All MTTC Topics Flashcards

A researcher finds that a species of fish in two isolated lakes have nearly identical morphology but cannot interbreed. These fish are best classified as:

Answer: Different species

Reproductive isolation is the defining criterion of species under the biological species concept; inability to interbreed means they are separate species.

Which functional group characterizes alcohols?

Answer: −OH (hydroxyl)

Alcohols are defined by the hydroxyl (−OH) group bonded to a carbon atom.

A teacher asks students to determine the author's purpose in a persuasive essay. Which question best guides this analysis?

Answer: What words does the author use to influence the reader's opinion?

Identifying persuasive language and rhetorical devices directly reveals the author's intent to influence the reader.

Which branch of the U.S. federal government is responsible for interpreting laws?

Answer: Judicial branch

The judicial branch, led by the Supreme Court, interprets laws and determines their constitutionality.

What is the maximum number of electrons that can occupy the second energy level (n=2) of an atom?

Answer: 8

The second energy level holds a maximum of 8 electrons distributed across the 2s² and 2p⁶ subshells.

In teaching algebraic thinking, which activity best supports the development of variable understanding?

Answer: Using balance scales to model equations

Balance scales make the concept of equality and variable substitution concrete and intuitive for students.

Which structure connects a muscle to a bone?

Answer: Tendon

Tendons are dense connective tissue that attach skeletal muscles to bones, transmitting the force of muscle contraction to move the skeleton.

In a recession, which automatic stabilizer would most immediately increase government spending?

Answer: Increased unemployment insurance payments

Unemployment insurance payments automatically rise during recessions as more workers qualify, increasing government spending without new legislation.

What is the correct electron configuration for a neutral iron atom (Fe, atomic number 26)?

Answer: [Ar] 3d⁶ 4s²

Iron's configuration is [Ar] 3d⁶ 4s², as the 4s subshell fills before 3d in the aufbau order.

Which of the following sources of strife in Britain's colonies in North America is best represented by Bacon's Rebellion?

Answer: disputes between landed elites and poor farmers

Bacon's Rebellion in Britain's North American colonies exemplified the disputes between landed elites and poor farmers. The rebellion, led by Nathaniel Bacon in 1676, underscored the economic and social tensions between wealthy colonial elites and struggling farmers. This conflict highlighted the divide in access to political power, land ownership, and economic opportunities, illustrating how such disputes were a source of strife within the colonial society

A cell placed in a hypotonic solution will:

Answer: Gain water by osmosis and may lyse

In a hypotonic solution, water moves into the cell by osmosis (from higher water potential outside to lower inside), causing the cell to swell and potentially burst.

Which phase of meiosis is responsible for genetic recombination through crossing over?

Answer: Prophase I

During Prophase I, homologous chromosomes synapse and exchange genetic material through crossing over at chiasmata.

A student observes that iron rusts when exposed to oxygen and water. This is best classified as a:

Answer: Chemical change

Rusting is a chemical change because a new substance (iron oxide) is formed with different properties from the original iron.

Gross Domestic Product (GDP) measures:

Answer: The total market value of all final goods and services produced within a country's borders in a given period

GDP counts the market value of all final goods and services produced within a nation's geographic borders during a specific time period, regardless of producer nationality.

Which of the following is an example of an explicit phonics lesson?

Answer: The teacher directly teaches the sound-spelling correspondence of 'sh' with examples

Explicit phonics instruction directly and systematically teaches the relationship between letters and sounds.

The experiment's dependent variable is:

Answer: the number of living organisms present in each flask.

The dependent variable in an experiment is the factor that is being measured or observed in response to changes made to the independent variable. In this case, the dependent variable is "the number of living organisms present in each flask." It represents the outcome of the experiment and will change as a result of any variations in the conditions, treatments, or manipulations applied to the experiment. The focus of the experiment is to determine how different factors might influence the population of living organisms, making the number of organisms the variable of interest that is being measured and analyzed.

Which geographic tool uses contour lines to show changes in elevation?

Answer: Topographic map

Topographic maps use contour lines to represent changes in elevation and the three-dimensional shape of the land.

A function f(x) = x² is best described as which type of function?

Answer: Quadratic

A function of the form f(x) = ax² + bx + c is a quadratic function, producing a parabolic graph.

Which ethical principle requires teachers to maintain confidentiality about student records and personal information?

Answer: Family Educational Rights and Privacy Act (FERPA)

FERPA protects the privacy of student education records and restricts who may access them without consent.

The Marshall Plan (1948) was a U.S. foreign policy initiative primarily designed to:

Answer: Provide economic aid to rebuild post-WWII Western Europe

The Marshall Plan provided over $12 billion in economic assistance to help rebuild Western European economies after World War II and prevent the spread of communism.