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Worksheets7th grade final review
Total questions: 151
Worksheet time: 2hrs 12mins
Termites are tiny insects that can cause severe damage to homes and other structures that consist of wood. Termites are an example of what type of factor.
Biotic
Abiotic
The Sun is the source of all energy within an ecosystem. Plants depend on light from the sun in order to perform the process of photosynthesis. Sunlight is an example of what type of factor?
Biotic
Abiotic
Air is a mixture of colorless gases. The air that makes up the Earth's atmosphere consists primarily of nitrogen and oxygen. Air is an example of which type of factor?
Biotic
Abiotic
An angler fish has a fleshy growth on its head that gives off light. This part acts as a lure to help the angler fish catch its prey. An anglerfish is an example of which type of factor?
Biotic
Abiotic
Is a rock considered abiotic or biotic?
Abiotic
biotic
neither
What is the difference between the biotic and abiotic factors?
Biotic factors are living things and abiotic factors are nonliving things.
Biotic factors are nonliving things and abiotic factors are living things.
A process by which a population becomes better suited to its environment by increasing the frequency of alleles that provide benefits to survival and reproduction
Adaptation
Photosynthesis
Matter Cycle
Environmental factors
Any factor, whether abiotic or biotic, that influences living organisms.
Environmental factors
Genetic Factors
Weather Factors
Facts of Life
Things that result from the specific alleles carried by an individual.
Genetic Factors
Environmental factors
Growth
Allergies
Process of increasing in size and maturity.
Growth
Organism
Maturity
Matter Cycle
A self-contained living thing
Organism
Specialized
Producer
Consumer
Asexual reproduction in organisms that produce offspring that are_____________?
Diffrent from the parent plant
highly charged organim
identical to the parent plant
not like the parent plant
Which of the following is an organism's reaction to a change in it's surrondings?
Response
Development
Distraction
Stimulus
A stimulus is______________________?
a change in a organisms surrondings
process in which organism grow larger
the result of sexual reproduction
a reaction in change of surrondings
Which of the following responses is a plant growing toward or leaning toward light?
thigmotrophism
phototropism
gravitropism
hydrotropism
Plant's roots grow down, anchoring it into the ground. To what stimulus is the plant responding?
thigmotropism
phototropism
hydropism
gravitropism
What term refers to a plant growing or moving away from a stimulus?
Touch
Dormancy
Tropism
Development
Which is not a characteristic that all organisms share?
Need to obtain resources for energy.
Responds to stimuli.
Ability to reproduce.
Need to dress fashionably.
Through which process do plants obtian energy?
Transpiration
Respiration
Photosynthesis
Precipitation
Which of the following is NOT an external stimulus?
Gravity
Sunlight
Disease
Rain
Which statement correctly describes factors that affect a plants growth?
Gravity and sunlight cause plant roots to grow downward and stems to grown downward.
Plants roots grown downward toward gravity and stems grow upward towards light.
Plants roots grown downward because there is low light and stem grows up where is is light.
Plant roots grown down because of soil and Stems grow up because of sunlight.
Which of the following responses is a plant growing toward or leaning toward touch?
thigmotropism
hydrotropism
phototropism
gravitropism
Which organelle is responsible making food (Glucose) using sunlight?
Ribosomes
Nucleus
Chloroplast
Mitochondria
Select all that are raw materials for Photosynthesis.
Water
Carbon Dioxide
Oxygen
Sunlight (Light Energy)
Glucose (Sugar/food)
Which organelle stores water for use in photosynthesis?
Chloroplast
Golgi
Vacuole
Canteen
How many products are produced during photosynthesis?
1
2
3
4
How many raw materials (ingredients) does photosynthesis require?
1
2
3
4
Photosynthesis is the process where:
Plants turn green
Plants make their own food
Plants grow
Plants make flowers
Photosynthesis could not happen without
The sun
The ocean
Their flowers
Their stems
Chlorophyll is what makes green plants...
Green
Blue
Yellow
Purple
Glucose (C6H12O6) is made of...
Carbon
Hydrogen
Oxygen
All of the above
6CO2 + 6H20 + light energy -> C6H12O6 + 6O2 In this chemcial equation, the left is called the ______.
product
reactant
yields
production
What is the process (equation) for photosynthesis?
6CO2 + C6H12O6 --> 6H2O + 6O2
6H2O + 6CO2 --> C6H12O6 + 6O2
6CO2 + C6H12O6 --> 6H2O + Energy
6O2 + C6H12O6 --> 6CO2 + 6H2O
What is the relationship between the plant and the duck?
"A" represents carbon dioxide produced by the plant and "B" represents oxygen produced by the duck
"A" represents oxygen produced by the plant and "B" represents carbon dioxide produced by the duck
"A" represents the sunlight received by the plant and "B" represents the oxygen produced by the duck
The carbon, from carbon dioxide, that the plants need for photosynthesis comes from
molecules that the plant makes
the atmosphere
water
the glucose molecule
Plants provide energy to animals for their life processes by
providing carbon dioxide.
serving as a food source.
receiving energy from the sun.
providing shelter from weather.
Darcy put three healthy plants in pots. She put them in three places. Each plant had good soil, air, and water. After three weeks, Darcy checked on the plants. Based on the results, where do you think Darcy put plant #2?
in the shed
under a tree
on the back deck
in the front yard
Which form of energy is used to power photosynthesis?
Thermal energy
Radiant energy
Chemical energy
Nuclear energy
Energy that comes from the Sun
Chloroplast
Radiant energy
Chlorophyll
Phytoplankton
Chlorophyll
Microscopic organisms that live in aquatic environments and perform photosynthesis
A chemical reaction during which plants use radiant energy from the Sun to convert carbon dioxide and water into sugar (glucose)
Energy that comes from the Sun
The green pigment in plants responsible for absorbing light
Microscopic organisms that live in aquatic environments and perform photosynthesis
Phytoplankton
Radiant energy
Chlorophyll
Photosynthesis
Which of the following would cause an increase in the rate of photosynthesis occurring in a plant?
An increase in the amount of available glucose
An increase in the amount of available oxygen
An increase in the amount of available light
A decrease in the amount of available carbon monoxide
A giraffe has a long neck in order to better reach leaves to eat. This is an example of _____.
an adaptation
environment
response
stimulus
part of DNA that codes for a specific trait
gene
chromosome
The primary difference natural and artificial selection is
In natural selection the “pressure” comes from the environment; In artificial selection the “pressure” comes from humans (or another species).
In artificial selection the “pressure” comes from the environment; In natural selection the “pressure” comes from humans (or another species).
Natural selections is when humans breed the animal; Artificial selection is when humans direct genes directly.
They are different terms for the same concept.
These cause variations.
mutations
adaptations
a desire to change
breeding
1. The process of choosing parent organisms for desired characteristics is called
natural selection
Artificial selection
random selection
genetic manipulation
What is an example of artificial selection?
Letting dogs choose their own mate
Letting plants pollinate on their own
Crossing a labrador and a poodle to create a labradoodle
Which statement is true comparing natural selection and artificial selection?
In natural selection, traits benefit humans and in artificial selection, the traits benefit the species
In natural selection, traits benefit the species and in artificial selection, the traits benefit humans
In natural and artificial selection, the process takes hundreds of years to occur
In natural and artificial selection, nature determines what traits will be passed down to offspring.
The change that occurs over long periods of time in the characteristics and diversity of organisms
natural selection
artificial selection
evolution
acquired characteristics
A rod-shaped or circular structure within a cell that is composed of DNA and proteins
Genotype
Mutation
Chromosome
Nucleus
A variety of organism created by artificial selection
breed
fitness
phenotype
mutation
evolution
selection by humans of animals, plants, or other organisms to breed together
change in the inherited traits of a population of organisms that occurs over many generations
physical appearance of an organism
how well an organism can survive and reproduce in an environment.
Artificial Selection is
the selection by humans of animals, plants, or other organisms to breed together.
Describes how well an organism can survive and reproduce in an environment
a change in a gene
a variety of organisms created by artificial selection
A tool used to analyze the possible allele combinations of the offspring between two individuals
Natural selection
Genotype
Phenotype
Punnett square
Process by which organisms with favorable traits produce more successful offspring than organisms with less-favorable traits, causing the favorable traits to become more common in the population
Selective breeding
Natural selection
Genotype
Phenotype
The physical expression of a gene or set of genes; the appearance of an organism
Genotype
Phenotype
Inherited trait
Trait
A trait that is beneficial to an organism and will likely be chosen by natural selection
Genotype
Gene
Favorable trait
Inherited trait
Which statement is true about dominant and recessive genes?
Dominant genes mask recessive genes.
Recessive genes mask dominant genes.
They are equal.
In alleles, capital letters show:
Recessive traits.
Dominant traits.
Phenotypes refer to:
Gene combinations.
Traits that show up.
Study the Punnett Square. What is the probability of a dominant trait showing up?
0%
25%
50%
100%
Study the Punnett Square. What is the probability of having a recessive trait?
100%
50%
25%
0%
Who was Gregor Mendel?
A famous physicist.
The astronomer who discovered Pluto.
A priest considered the Father of Genetics.
A biologist who discovered viruses.
What was Mendel's big discovery?
Traits are Not passed on to offspring.
Traits can be masked in one generation and show up in a future generation.
Pea plants have flowers.
Pea plants produce peas.
What type of diagram to genetics use to predict genotype and phenotypes percentages of potential offspring?
Venn Diagram
Punnett Square
Frayer Model
If an individual's genotype for eye color is (Bb) what color will their eyes look if (B) is dominant and represents brown eyes and (b) is recessive and represents blue eyes?
brown eyes
blue eyes
The process by which one or more substances change to produce one or more different substances
Chemical Reaction
Photosynthesis
Cellular Respiration
Law of Conservation of Matter
The ability of a system to do work; required for changes to happen within a system
Law of Conservation
Photosynthesis
Energy
Matter
The law that says matter is neither created nor destroyed in ordinary chemical or physical processes
Energy
Cellular Respiration
Product
Conservation of Matter
Anything that has volume and mass
Energy
Matter
Molecule
Conservation of Matter
The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically
Matter
Molecule
Energy
Carbon
A naturally occurring element of Earth; an essential building block of organic compounds
Carbon
Matter
Energy
Molecule
A gas produced by plants during photosynthesis that animals use for respiration
Carbon
Matter
Oxygen
Energy
A sugar composed of six carbon atoms that is the preferred energy source for most cells; produced by photosynthesis
Oxygen
Carbon Dioxide
Water
Glucose
A gas that is a natural component of the atmosphere; produced by cells during cellular respiration and used by plants and other organisms for photosynthesis
Carbon Dioxide
Oxygen
Matter
Water
The movement of elements or molecules through a repeated sequence of events
Matter
Photosynthesis
Cellular Respiration
Matter Cycle
The process of obtaining energy from the breaking of chemical bonds in nutrients
Photosynthesis
Chemical reaction
Cellular Respiration
Matter cycle
A substance that takes part in and undergoes change during a reaction
Product
Reactant
Reaction
Molecule
A substance produced during a chemical reaction
Product
Reactant
Chemical Reaction
Glucose
The process of obtaining energy from the breaking of chemical bonds in nutrients
Photosynthesis
Chemical reaction
Cellular Respiration
Matter cycle
A substance that takes part in and undergoes change during a reaction
Product
Reactant
Reaction
Molecule
A substance produced during a chemical reaction
Product
Reactant
Chemical Reaction
Glucose
What is a producer?
organism that CANNOT make its own food
organism that gets energy by eating another organism (heterotroph)
an organism that CAN make its own food using photosynthesis
What is the overall purpose of photosynthesis?
To use energy from the sun to produce food
To use energy from the sun to produce oxygen
To use energy from the sun to produce carbon dioxide
To use energy from the sun to produce water
What are the reactants in photosynthesis?
carbon dioxide + water + light
sugar + oxygen
none of the above
What are the products in photosynthesis?
carbon dioxide + water + light
sugar + oxygen
none of the above
How are the final products of photosynthesis related to cellular respiration?
They are the starting materials for cellular respiration.
They are also the final products for cellular respiration.
They convert chemical energy into light energy.
They convert chemical energy into light energy.
In which way are photosynthesis and cellular respiration different?
Cellular respiration stores ATP, while photosynthesis releases ATP.
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
Photosynthesis releases energy, while cellular respiration stores energy.
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
O2 is the chemical formula for
Oxygen
Carbon Dioxide
Glucose
Water
Where do animals get the oxygen and glucose they need for cellular respiration?
Plants
Mitochondria
Sun
other animals
Which statement accurately describes an interaction between plants and animals?
Animals release CO2, required for photosynthesis.
Animals release O2, required for plant survival.
Plants provide humans with atmospheric nitrogen.
Plants provide humans with CO2 for respiration.
Identify the chemical equation:
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
Cellular Respiration
Photosynthesis
Identify the chemical equation: 6CO2+6H2O→C6H12O6+6O2
Cellular Respiration
Photosynthesis
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
Substitution
Deletion
Insertion
Frameshift
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
Substitution
Deletion
Insertion
Inversion
A mutation is defined as:
A change in the cell's structure
Anything that changes in an embryo
Any change in the physical features of a human
A change in the DNA sequence
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
Substitution
Deletion
Insertion
Frameshift
Identify the DELETION mutation form the following:
ATG CCA AAT
ATG TCA AAT
ATG CCT AAA T
ATC CA AT
ATG CCA AAT
What are the three types of gene mutation?
Insertion, Deletion, Subsitution
Aberration, Deletion, Substitution
Inversion, Duplication, Insertion
Insertion, Duplication, Substitution
In this type of point mutation, one base pair is lost
substitution
insertion
deletion
translocation
Mutations are SOMETIMES helpful to the organism.
true
false
True or false, mutations create genetic diversity?
True
False
What does a GENETICIST study?
corn
genes
microbes
cell division
Which are the 4 nucleotide bases?
RNA, adenine, thymine, guanine
uracil, adenine, guanine, thymine,
adenine, thymine, cytosine guanine
RNA, DNA, ribosome, protein
ATG TGA CAG
parent; offspring
chromosomes; traits
DNA; genes
offspring; parents
Genetic mutations can be...
beneficial, harmful, or neutral
beneficial only
harmful only
neutral only
Chromosomes are found
only in muscle cells
in the genes of the cell
in the nucleus of the cell
in the proteins of the cell
An inheritable characteristic that is determined by DNA is known as a _____.
DNA
nucleus
trait
protein
What is the correct sequence of structures from smallest to largest?
Chromosomes, Gene, DNA, Nucleus, Cell
Cell, Nucleus, Chromosomes, DNA, Genes
DNA, Gene, Nucleus, Chromosome, Cell
Gene, DNA, Chromosomes, Nucleus, Cell
Gene Nucleus, DNA, Chromosome, Cell
A cat inherits genes for fur color from which of the following?
From the mother
From the father
From surrounding cats
From both parents
From neither parents
Male or female: XX
Male
Female
Male or female: XY
Male
Female
What shape is DNA?
Twisted, double helix
Twisted, single helix
Straight, double helix
Straight, single helix
Which base pairs with Cytosine?
Adenine
Cytosine
Guanine
Thymine
_____ is/are the basic unit of heredity
Genes
DNA
Proteins
Chromosomes
Making proteins from RNA is called?
Transcription
Translation
Replication
Cells making a copy of RNA from DNA is called?
Transcription
Translation
Replication
A process that makes copies of DNA is called
Replication
Transcription
Translation
What do genes do?
Give the body chromosomes.
Control the DNA.
Control the production of proteins.
Which organelle is the location where protein is made?
Ribosome
Nucleus
Cytoplasm
Nucleotide
mRNA is created during this process
Translation
Transcription
Replication
Delivery
Variants
Different forms of something.
A single, highly organized and structured piece of DNA.
Are found in all living cells and are made up of amino acids to perform bodily functions.
A characteristic of an organism; can be genetic or acquired.
Are found in all living cells and are made up of amino acids to perform bodily functions.
Traits
Genes
Proteins
Variants
any physical or chemical agent that can cause a mutation in DNA
gene
nucleotide
mutation
mutagen
ribosome
What is the function of proteins in cells
To provide structure and support for cells
To regulate the body's tissues and organs
To work as enzymes
All of the above
