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Worksheets9° Grade Biology First Term Test
Total questions: 89
Worksheet time: 1hrs 8mins
What scientist formulated the theory of Evolution by natural selection?
Jean-Batiste Lamarck
James Hutton
Charles Lyell
Charles Darwin
Breed organisms with desire traits
natural selection
biological efficiency
common descent
artificial selection
A heritable characteristic that increases an organism's ability to survive and reproduce in its specific environment is a
vestigial organ
speciation
radiation
adaptation
The survival of the fittest refers to organisms having traits that allow them to survive and reproduce better, known as
Mutation
Adaptation
Artificial selection
Natural selection.
What are mutations, and why are they important?
produce the death of the organisms that suffer from it
benefit the individual but not the population
produce genetic variations for populations to evolve
do not produce changes in organisms.
What term refers to a group of organisms that can reproduce and have fertile offspring?
Individual
Population
Fossil
Species
In natural selection, the selective agent is
The breeders
The humans
The environment
The mutations
The birds you see above belong to four species of Galapagos finches that were discovered by Darwin.
What processes produced the different types of beaks?
Artificial selection
Natural selection
Geographic distribution
Beak disuse
The different beaks in this finches, is an example of...
the struggle for existence
The tendency to perfection
an adaptation
a vestigial organ
The survival of the fittest refers to organisms having traits that allow them to survive and reproduce better, known as
Mutation
Adaptation
Artificial selection
Natural selection.
Mutations are changes in DNA and are important because
produce the death of the organisms that suffer from it
benefit the individual but not the population
produce genetic variations for populations to evolve
do not produce changes in organisms.
According to the diagram, which statement is the correct one?
the fossil A and C are of the same age
the fossil A is older than fossil B
the fossil B is older than fossil C
the fossil D is older than fossil C
The farmers select cows to produce a large amount of milk. This is an example of
Adaptations
Natural selection
Artificial selection
Variation
In natural selection, the selective agent is
The breeders
The humans
The environment
The mutations
What is a species?
A group of organisms that do not have similarities
A group of organisms that cannot reproduce with each other
A group of organisms that can reproduce with each other
A group of organisms that cannot survive in their environment
What is natural selection?
The process by which the best adapted organisms survive and reproduce
The process by which the least adapted organisms survive and reproduce
The process by which humans choose the weakest organisms
The process by which organisms do not reproduce
What is an adaptation?
An acquired behavior or physical characteristic that has no impact on survival
An inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment
A behavior or physical characteristic that constantly changes
A behavior or physical characteristic that is not inherited
What is a scientific theory?
A supposition without scientific basis
An idea without foundations that cannot be proven
An explanation that only applies to a type of observation
A well-proven explanation for a wide range of observations or experimental results
Who proposed the first comprehensive theory of evolution in the early 19th century?
Jean-Baptiste de Monet
Charles Darwin
Gregor Mendel
Louis Pasteur
Evolution takes place in small, gradual steps.
Lamarckism
Theory of Punctual Evolution
Genetic Drift Theory
Natural Selection Theory
What process is believed to always culminate in humans according to Lamarck's theory?
Natural Selection
Progression from Inferior to Superior Forms
Environmental Adaptation
Organism Evolution
What statement was debunked in the 20th century regarding Lamarck's theory?
The inheritance of acquired characteristics
Natural selection
Organism evolution
Environmental adaptation
What important contribution did Lamarck make to the gradual acceptance of biological evolution?
Discovery of genetics
Development of punctuated evolution theory
Study of natural selection
Stimulus for future research
What book by Linnaeus was considered his most important taxonomic achievement?
Bibliotheca Botanica
Genera Plantarum
Clifford's Herbarium
Critica Botanica
What was Linnaeus's basis for his classification system in Genera Plantarum?
Arbitrary divisions
Natural characters
Sexual system
Number of species
How did Linnaeus explain the similarity of species according to his belief?
Natural selection
Derive from the same parental pair
Genetic mutations
Adaptation to the environment
What did Linnaeus propose regarding the mechanism that allowed organisms to fall into natural hierarchies?
Evolution
Natural selection
Divine creation
Genetic drift
What does the process of cloning describe?
Modify the DNA
Remove genetic material
Create a new species
Create an exact genetic replica of another cell, tissue, or organism
What type of cloning creates copies of genes or DNA segments?
Gene cloning
Cell cloning
Reproductive cloning
Therapeutic cloning
What type of cloning creates copies of complete animals?
Reproductive cloning
Gene cloning
Therapeutic cloning
Cellular cloning
What do researchers hope to achieve with therapeutic cloning?
Reproduce complete organisms
Eliminate genetic diseases
Create identical animals
Use embryonic stem cells to grow healthy tissue
What helps us understand artificial selection?
Genetic mutation
Natural selection
Asexual reproduction
Genetic drift
What is a result of artificial selection in dogs?
Modern dogs have a variety of breeds with different shapes and sizes
Modern dogs are smaller than wolves
Modern dogs are very similar to wolves
All dogs look and act the same as their ancestors
What is artificial selection?
A natural selection process in which organisms are naturally selected in their environment
A process in which humans have no influence on the evolution of organisms
A process in which organisms are randomly selected
An evolutionary process in which humans consciously choose characteristics in organisms
It is the process where organisms adapt to their environment for their survival.
Natural Selection
Artificial Selection
It is process in which a plant breeder selects plants with characteristics to produce offspring with desirable traits.
Natural Selection
Artificial Selection
It helps in producing organisms with biological diversity.
Natural Selection
Artificial Selection
It occurs in natural populations.
Nartural Selection
Artificial Selection
It is a slow process.
Natural Selection
Artificial Selection
It helps in inheritance of only favorable characters to the successive generations.
Artificial Selection
Natural Selection
Example: Selection of long-necked giraffes.
Artificial Selection
Natural Selection
It is a natural selection process.
Artificial Selection
Natural Selection
It is a man-made selection process.
Artifical Selection
Natural Selection
It helps in producing organisms with selected desirable traits.
Artificial Selection
Natural Selection
It occurs in the reared or domestic population.
Artificial Selection
Natural Selection
It is a rapid process.
Natural Selection
Artifical Selection
It helps in the inheritance of a variety of desired selected traits to the successive generations.
Natural Selection
Artificial Selection
Example: Breeding of different varieties of dogs or cattle to produce the desired varieties.
Natural Selection
Artificial Selection
What is one of the advantages of walking upright for early humans?
Help in swimming
Improve the ability to climb trees
Facilitate the collection of fruits and other foods from low branches
Increase speed when running
What part of the body of modern humans connects to the skull at the bottom and near the center?
Elbows
Shoulders
Hip
Spine
What advantage did walking upright provide to early humans in open landscapes?
Swimming in rivers and lakes
Climbing trees more easily
Quickly and efficiently covering wide open landscapes
Escaping predators more quickly
What early human species is believed to have primarily walked upright but could still climb trees?
Australopithecus africanus
Orrorin tugenensis
Homo erectus
Australopithecus afarensis
What early human species is believed to have walked long distances in a manner similar to modern humans approximately 1.9 million years ago?
Homo erectus
Australopithecus anamensis
Sahelanthropus tchandensis
Orrorin tugenensis
What tool dominated early human technology for over a million years?
Bone needles
Drills
Hand axes
Spear points
What tool was used to hunt large animals at least 500,000 years ago?
Spearheads
Drills
Hand axes
Bone needles
What benefit is mentioned about the consumption of meat in early humans?
It is less dangerous than gathering plants.
It contains natural toxins that are harmful.
It is a concentrated source of calories, proteins, fats, and nutrients.
It requires large intestines to digest.
What tool was used to hunt large fish in Central Africa over 70,000 years ago?
Harpoon points
Drills
Bone needles
Hand axes
What tool was used to store food and other objects?
Bone needles
Drills
Hand axes
Plant baskets
What tool was used to hunt fast and dangerous birds and mammoths?
Spearheads
Bone needles
Hand axes
Drills
What tool was used to make tight and warm clothing?
Bone needles
Spear points
Hand axes
Awls
What tool dominated early human technology for over a million years?
Bone needles
Drills
Hand axes
Spear points
What tool was used to hunt large animals at least 500,000 years ago?
Spearheads
Drills
Hand axes
Bone needles
What benefit is mentioned about the consumption of meat in early humans?
It is less dangerous than gathering plants.
It contains natural toxins that are harmful.
It is a concentrated source of calories, proteins, fats, and nutrients.
It requires large intestines to digest.
What tool was used to work bone, horn, ivory, and wood and carve designs and images on them?
Chisels
Bone needles
Hand axes
Drills
What tool was used to hunt large fish in Central Africa over 70,000 years ago?
Harpoon points
Drills
Bone needles
Hand axes
What tool was used to store food and other objects?
Bone needles
Drills
Hand axes
Plant baskets
What tool was used to hunt fast and dangerous birds and mammoths?
Spearheads
Bone needles
Hand axes
Drills
What tool was used to make tight and warm clothing?
Bone needles
Spear points
Hand axes
Awls
What factor contributed to the increase in brain size during the period from 2 million to 800,000 years ago?
Animal migration
New diets
Increase in height
Climate changes
What benefits does the modern size of the human brain provide?
Generate electricity
Produce oxygen
Store decades of information
Transport nutrients
What is one of the costs associated with having a large brain?
Greater reaction speed
Greater disease resistance
Greater physical agility
Greater difficulty in childbirth
What is the average weight of an adult chimpanzee's brain?
384 g
500 g
700 g
1000 g
What is the average weight of the modern human brain?
2,000 g
500 g
800 g
1,352 g
What process does genetic engineering involve?
Identify desired genetic information, copy it, and insert it into another organism
Create organisms from stem cells
Modify the DNA of an organism without copying genetic information
Delete genes from an organism without replacing them
What does "GMO" mean in English?
What is done after inserting the genetic information into the DNA of another organism?
Modify the genetic information again
Grow the new organism
Stop the organism's growth
Remove the original DNA
What type of organisms can be genetically modified?
Plants, animals, and microorganisms
Only plants
Only animals
Only humans
What is the term commonly used to describe foods created through genetic engineering?
Genetically Modified Organism
DNA
Natural Evolution
Stem Cells
What is a "clone"?
What does the process of cloning consist of?
Replace the nucleus of a fertilized egg
Remove the nucleus of an unfertilized egg and replace it with the nucleus of a body cell
Exchange the DNA of two different organisms
Create an organism without DNA
Why is cloning used in food production?
To create genetic variety in crops
To produce consistently high-quality food
To reduce the amount of available food
To increase genetic diversity in plants
What is genetic engineering?
A technique for creating new colors in plants
A system for purifying water
A method for controlling the climate
A process for transferring genes from one organism to another
What is genetic engineering used for in relation to insulin?
To increase the resistance of plants to pests
To improve night vision in animals
To help control blood sugar levels in people with diabetes
To accelerate muscle growth in athletes
What did scientists achieve by genetically modifying bacteria to produce human insulin?
Produce large amounts of human insulin in a short time
Improve air quality in cities
Develop a new type of antibiotic
Create a flu vaccine
What is one of the possible benefits of further research on the jellyfish fluorescence gene?
Increase the production of organic foods
Help track toxic chemicals in the body
Reduce water pollution
Improve energy efficiency in homes
What is natural selection?
Process in which organisms with random traits reproduce
Process in which organisms with unwanted traits are eliminated from the population
Process in which humans choose only organisms with desired traits to reproduce
Process in which organisms with beneficial traits survive in nature
What is livestock farming?
What is livestock farming?
Process in which organisms with beneficial traits survive in nature
Process in which humans choose only organisms with desired traits to reproduce
Breeding and care of farm animals with genetic traits desired by humans
Process in which organisms with undesirable traits are eliminated from the population
What is natural selection?
Process in which organisms with random traits reproduce
Process in which organisms with unwanted traits are eliminated from the population
Process in which humans choose only organisms with desired traits to reproduce
Process in which organisms with beneficial traits survive in nature
What is selective breeding?
Process in which humans choose only organisms with desired traits to reproduce
Process in which organisms with beneficial traits survive in nature
Process in which organisms with random traits reproduce
Process in which organisms with undesirable traits are eliminated from the population
