What is the best explanation for the continual changes in the classification system of organisms?

Technological advances have allowed scientists to better compare organisms

All organisms struggle for existence and become extinct

All organisms compete to be at the top of the food chain

More species have been discovered, but scientists have not analyzed all the data

What will most likely occur if the population of the world continues to increase at predicted rates?

There will be more rapid depletion of natural resources.

There will be an increase in biodiversity as a result of improvements in technology.

The human race will rapidly become extinct.

All human diseases will be eliminated.

What will most likely happen if a nonnative species is introduced into a stable ecosystem?

The native species will have to compete for resources with the nonnative species, and the ecosystem will become unbalanced.

The native species will change their diet, and the ecosystem will remain stable.

The native species will move to another area, and the ecosystem will remain stable.

The native species will share their food with the introduced species, and the ecosystem will become unbalanced.

Which statement best explains why animals are considered heterotrophic?

They are able to obtain nutrients by consuming other organisms or their products.

They are able to produce food through the process of photosynthesis.

They are able to produce food through the process of respiration.

They are able to obtain nutrients by decomposing plant and animal tissue.

In some ecosystems, wolves have been eliminated due to their threats to humans. How can the reintroduction of wolves benefit the ecosystem?

It can eliminate weak animals from a prey population, thereby decreasing competition for natural resources.

It can eliminate the most fit animals among the prey population, which will cause an increase in birthrates of the prey.

It can cause the prey population to migrate to other areas, resulting in more fit prey.

It can cause the prey population to better blend in with their environment.

The use of pesticides on crops has been a common farming practice for decades. What has been the greatest effect of natural selection through the use of pesticides on certain insect populations?

The rate of selection is increased because the pesticides do not kill the insects that are naturally resistant to it.

Natural selection has been altered because the insects and their predators are killed.

The rate of selection has decreased because the pesticides kill only young insects.

The pesticides have altered natural selection by causing the insect DNA to spontaneously mutate.

A field ecologist wants to determine the interactions of various populations of organisms living in a large grassland field. Which method is best for conducting this study?

observing the behaviors of different types of organisms several times during the year

consulting with local farmers about the diversity of organisms in the field

dividing the field in half, walking over it, counting organisms, and then doubling the numbers

walking over the entire field, collecting the organisms, and then compiling a total

If worldwide deforestation is not regulated, what could most likely result?

CO2 levels in the atmosphere could increase and contribute to global warming problems.

Acid rain could lower the pH of rivers and lakes to dangerous levels for aquatic life.

Plants and animals could become better adapted to living in desert conditions.

Future generations of humans could have an excess of wood and paper products.

An antibiotic which was effective 20 years ago against a specific type of bacterial infection no longer works against the same kind of infection today. Which best explains why the antibiotic is no longer as effective as it was 20 years ago?

Resistant bacteria have survived and reproduced at a greater rate than nonresistant bacteria.

Bacteria resistant to the antibiotic have killed off nonresistant bacteria.

Viruses have changed the structure of the bacteria that causes the infection.

The human body has developed an immunity to the antibiotics.

Some marine worms and mollusks go through similar larval stages during development. Which can be inferred about their relationship?

They share the same food source.

Which statement best describes natural selection?

Organisms better adapted to their environment are more likely to reproduce and pass on their traits to their offspring.

As the weather changes, organisms that are able to find shelter need less energy to live.

Organisms that eat only plants need less food than organisms that eat animals.

Small organisms are more likely to survive than larger organisms.

Some scientists claim recent evidence suggests birds should be reclassified to share more taxonomic groups with dinosaurs. What type of evidence would provide the best support for this claim?

evidence showing birds shared a common genetic history with dinosaurs

evidence showing birds shared similar habitats with dinosaurs

evidence showing birds shared similar nutritional requirements as dinosaurs

evidence showing birds shared similar behaviors with dinosaurs

A large population of cockroaches was sprayed with an insecticide. A few of the cockroaches survived and produced a population of cockroaches that was resistant to this spray. What can be inferred from this ex?

Individuals with favorable variations survive and reproduce.

A species will adapt no matter what the environment.

The environment has no effect on the survival of an organism.

Insecticides cause mutations that are passed on to the next generation.

Which best explains why muscle cells are different from blood cells.

Different genes are activated in muscles cells and blood cells

A mutation happens in muscle cells but not in blood

Muscle cells experience different environmental conditions than blood cells.

Muscle cells are produced by the brain while blood cells are produced by the heart

A freshwater plant is placed in a container of saltwater. What will most likely happen to the cells of the plant?

They will shrink bc water moves out

They will swell bc water moves in

They will swell because salt moves in

They will shrink bc sald will move out

Which is the best evidence that a cell is using active transport to move a substance across its membrane?

ATP is being rapidly consumed near the cellular membrane

Substances are moving rapidly across the membrane

Substances are moving from high to low

Substances are moving through channels in the membrane

A beaker contains a solution with a higher salt content than the red blood cells it contains. What will happen to the red blood cells over time?

The red blood cells will shrink from losing water molecules.

The size of the red blood cells will remain constant

Thre red blood cells will swell at first and then shrink.

The red blood cells will swell from absorbing the salt molecules

A student noticed that the freshwater plant, Elodea, produced bubbles when placed in light. What can you conclude?

Bubbles of oxygen were produced as a result of photosynthesis.

Bubbles of carbon dioxide were produced as a result of photosynthesis.

Bubbles of carbon dioxide were produced as a result of cellular respiration.

Bubbles of oxygen were produced as a result of cellular respiration

Which word equation best represents the process of cellular respiration?

glucose + oxygen → carbon dioxide + water

carbon dioxide + glucose → oxygen + water

carbon dioxide + water → glucose + oxygen

oxygen + water → carbon dioxide + glucose

How does the body of a runner keep up with the demand for energy when cellular oxygen levels are low?

through anaerobic respiration in the cytoplasm

through energy production in the mitochondria

through aerobic respiration in the plasma membrane

through ATP produced directly from sunlight

How does the amount of energy resulting from fermentation compare with that of aerobic respiration?

Aerobic respiration results in more energy.

Aerobic respiration results in less energy.

Each process results in equal amounts of energy.

Each process results in variable amounts of energy.

What will most likely be the result if all the mitochondria are removed from a plant cell?

It will be unable to carry out respiration.

It will lose water through osmosis

It will break down the ribosomes in the cell

It will be unable to photosynthesize

Which statement best compares aerobic and anaerobic respiration?

Less ATP is generated during anaerobic respiration than during aerobic

More water is generated during anaerobic respiration than aerobic

More oxygen is generated during anaerobic than aerobic

Less lactic acid is generated during anaerobic respiration than during aerobic

Biology EOC- All

Authored by Lori Parham

Biology

10th - 11th Grade

NGSS covered

Used 55+ times

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100 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement best explains how sweating during exercise maintains homeostasis?

It regulates mineral concentration in cells

It maintains water balance

It maintains sugar balance in cells

It regulates body temperature

Tags

NGSS.HS-LS1-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A sea turtle has washed up on a remote section of a beach. This is known as "stranding". Stranding occurs when a dead, sick, or injured sea turtle washes up on the shoreline. Which statement best explains why "stranding" should be reported immediately to local authorities?

The information can be useful to protect sea turtles from predators

The information can be useful to biologists who are trying to protect the species

The information can be useful to local fishermen trying to catch the turtles

The information can be useful to tourists that want a sea turtle as a pet

Tags

NGSS.HS-LS2-7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the basis for the earliest classification system of organisms?

Physical characteristics

evolutionary relationships

differences in habitats

reproductive patterns

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do both prokaryotic and eukaryotic cells contain?

membrane-bound organelles

linear chromosomes

cytoplasm

a nucleus

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which adaptation do ferns, gymnosperms, and angiosperms have that mosses do not have?

chloroplasts

vascular tissue

stomata

flowers

Tags

NGSS.HS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the drawing of the Paramecium, which part would be affected if a chemical is added to make the Paramecium stop moving?

Cytoplasm

Nucleus

Cilia

Vacuole

Tags

NGSS.MS-LS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between the full classification system of an organism and its scientific name?

The full classification system includes more categories of organisms than the scientific name

The scientific names include the order and family, but the full classification includes only the species name.

The scientific name includes a single nomenclature, but the full classification includes several nomenclatures

The full classification system and their scientific names vary in different countries

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Biology EOC- All

Which statement best explains how sweating during exercise maintains homeostasis?

A sea turtle has washed up on a remote section of a beach. This is known as "stranding". Stranding occurs when a dead, sick, or injured sea turtle washes up on the shoreline. Which statement best explains why "stranding" should be reported immediately to local authorities?

What is the basis for the earliest classification system of organisms?

What do both prokaryotic and eukaryotic cells contain?

Which adaptation do ferns, gymnosperms, and angiosperms have that mosses do not have?

In the drawing of the Paramecium, which part would be affected if a chemical is added to make the Paramecium stop moving?

What is the difference between the full classification system of an organism and its scientific name?

At night, moths travel toward light. Which type of behavior does this describe?

The male birds of a species do a "dance" and "sing a song" each spring. What is the meaning of these behaviors?

Multicellular eukaryotic autotrophs belong to which Kingdom?

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