Which of the following must occur for evolution to take place?

Genetic variation within population

Identical traits among individuals

A sudden change in an organism's DNA

Which factor does not contribute to natural selection?

Acquired traits passed on offspring

Which of the following best explains why giraffes have long necks?

Giraffes that had longer necks survived and passed on their traits.

Giraffes stretched their necks over time.

Short-necked giraffes mutated into long-necked giraffes.

Natural disasters wiped out short-necked giraffes.

Which scenario best illustrate natural selection?

A species of birds developing longer beaks over generations to access food.

A farmer breeding cows to produce more milk.

A population of deer increasing due to hunting restrictions

A scientist cloning an endangered species.

What is bottleneck effect?

When a species experiences a reduction in size due to environmental changes.

When individuals move from one population to another.

When only the strongest organisms survive.

When species migrate to new habitats.

Which statement best describe the relationship between evolution and biodiversity?

Evolution increases biodiversity by creating new species.

Evolution decreases biodiversity over time.

Evolution only affects extinct species.

Biodiversity has no connection to evolution.

How do climate change affect evolution?

It force species to adapt or face extinction.

It increases genetic mutations in all organisms.

What is the primary cause of climate change?

A decrease in genetic mutations

From the basic definition of fragmentation, how does it affect the biodiversity?

It isolates populations, reducing genetic diversity.

It increase the variety of species.

It strengthens natural selection

It creates more genetic mutations.

What would happen if humans stopped all conservation efforts?

Ecosystems would remain stable.

Why is genetic diversity important for species survival?

It allows species to adapt to changing environments.

It reduces the need for evolution.

It makes all organisms identical.

Why is biodiversity conservation important?

It helps maintain ecosystem balance.

It prevents the Earth from changing.

It eliminates competition among species.

What is the best slogan to encourage biodiversity conservation?

Protect our species, protect our future!

Extinction is a myth, don't worry!

Destroy forests to build progress!

Biodiversity means nothing to us!

As a student, which of the following is the best way to promote biodiversity conservation?

Supporting wildlife conservation program.

Ignoring environmental problems.

The term 'survival of the fittest' refers to:

Organisms best adapted to their environment surviving and reproducing

The ability of organisms to outcompete their predators

Only the strongest individuals surviving

The elimination of all weak organisms

Which is an example of a human-induced environmental change affecting biodiversity?

Deforestation for urban development

Forest fire caused by lightning

The wing of the bat and the forelimb of the dog are said to be homologous structures. This indicates that ____.

They are structures that are similar due to common ancestry.

The limb bones of each are anatomically identical.

Bats evolved from a lineage of dogs.

If a scientist were to find 4 fossils that appear to be the same ancestor, what can be concluded?

Fossils have similar characteristics.

Members of the group living today live together.

Fossils were found in the same rock layer.

Number of each fossil is similar.

Which statement BEST explains the Theory of Natural Selection?

In nature, the organism with desirable characteristics may survive, while those with weaker traits may not.

Organisms develop desirable structures to survive in a given environment.

Organs that are not used may disappear, while organs that are constantly used may develop.

Acquired characteristics of parents can be passed onto offspring.

What will happen to a population of species if they cannot adapt to the environmental changes?

Changes their structure to survive.

Which does not describe the carrying capacity?

Resources used by the organism.

Maximum number of organisms that the ecosystem can support.

Can be declined when there is overcrowding of population.

Can be changed when ecological succession occurs.

Why does population growth rapidly increase when population size is below the carrying capacity of the ecosystem?

Organisms have enough supply for their needs.

Organisms reproduce rapidly, too.

Organisms get their wants anytime.

Organisms can interact freely with other organisms.

Which phrase best describes the process of evolution?

Change of populations through time.

The development of characteristics in response to a need.

The development of a man from monkey-like ancestors

The change of simple to complex organisms.

Species diversity refers to the variety of species living together in a region. Which is the best example of species diversity?

Fungi, plants, and animals interacting in an ecosystem

Different types of insects in a garden

Alamid, cheetah, and lion belong to the family of cats

Moths and butterflies have similarities in their physical appearance.

Kamagong, Narra, and Acacia are resilient to strong winds. What would be the effect of resiliency on the forest?

Increases the stability of the forest

If global temperatures continue to rise, how might organisms adapt to survive?

Some may migrate to cooler areas.

All species will eventually become extinct.

Evolution will stop completely.

Organisms will stop reproducing.

If deforestation increases, what will be the long-term impact on the carbon cycle?

Increased atmospheric carbon dioxide

Decreased atmospheric carbon dioxide

How does human activity impact the phosphorus cycle?

Overuse of phosphate fertilizers leads to water pollution.

Cutting down forests reduces phosphorus levels.

Fossil fuel burning increases phosphorus levels.

Increased carbon dioxide levels affect phosphorus absorption.

How does global warming affect the water cycle?

It increases precipitation and extreme weather.

It decreases ocean evaporation.

It stops condensation from occurring.

It reduces the amount of water in the atmosphere.

Which of the following best describes a biogeochemical cycle?

The continuous movement of elements between living and non-living components.

The one-way movement of energy through an ecosystem.

The transfer of genetic material between organisms.

The flow of information in biological systems.

Environmental Science Second Trinal

Authored by Enna Dalumpines

Science

University

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the primary mechanism that drives evolution?

Mutation

Natural selection

Genetic drift

Artificial selection

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which process introduces new genetic variations into a population?

Genetic drift

Mutation

Gene flow

Natural selection

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the term for the process where organisms better adapted to their environment tend to survive and reproduce more successfully?

Speciation

Genetic drift

Natural selection

Artificial selection

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What role do mutations play in evolution?

They create new genetic variations.

They eliminate weak individuals from a population.

They prevent natural selection.

They reduce biodiversity.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Who is known as the 'Father of Evolution'?

Gregor Mendel

Charles Darwin

Alfred Wallace

Jean-Baptiste Lamark

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What does the term 'descent with modification' mean?

All organisms have evolved from common ancestors with changes over time.

Only the strongest organism survives.

Evolution occurs in a single generation.

Traits do not change over time.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

When a population experiences a drastic reduction in size due to a natural disaster or human activity, leading to a loss of genetic variation, it is known as:

Bottleneck effect

Founder effect

Natural selection

Gene flow

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Environmental Science Second Trinal

What is the primary mechanism that drives evolution?

Which process introduces new genetic variations into a population?

What is the term for the process where organisms better adapted to their environment tend to survive and reproduce more successfully?

What role do mutations play in evolution?

Who is known as the 'Father of Evolution'?

What does the term 'descent with modification' mean?

When a population experiences a drastic reduction in size due to a natural disaster or human activity, leading to a loss of genetic variation, it is known as:

Which of the following must occur for evolution to take place?

What is speciation?

The process in which organisms with beneficial adaptations survive and reproduce more successfully is called…

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