WorksheetsUnit 3 Assessment
Total questions: 90
Worksheet time: 1hrs 23mins
What did Darwin Observe during his studies
Overproduction: more births than could survive
Genetic variation: differences within a species
Struggle to Survive: competition
Differential Reproduction: best adapted were more likely to reproduce
all of these
A feature that allows an organism to survive its environment is called what?
Evolution
Adaptation
Trait
Survivability factor
Living things have two kinds of adaptations: __________________. Choose the best answer.
behavioral and chemical
physical makeup and structural
behavioral and structural
thrive and survive
Click all the boxes that are adaptations.
Bear hibernating
Gills in fish
Water in a pond
The wings of a bird
The temperature of the earth
What is a structural adaptation?
A change in behavior caused by the environment.
A change in a body structure that helps the organism live.
Evolution of an organism to the next level of life.
De-evolution of an organism to the previous level of life.
Choose the ones that are structural adaptations
Hibernation in bears
Claws in Ostrich
Webbed feet of duck
An opossum playing dead
What physical adaptation helps skunks escape predators?
chemical defense of a stinky spray
ink they spray on bears
an inherited trait only in some skunks
mimicry
There are two types of behavioral adaptations...
Instinct (innate) and learned behavior
Structural and behavioral
Genetic and environmental
Mutations and natural selection
When animals go into a deep sleep during the winter, they are using which behavioral adaptation?
Hibernation
Mimicry
Migration
Camouflage
Animals who travel to warmer habitats in the winter to escape the cold are using which behavioral adaptation?
Mimicry
Camouflage
Hibernation
Migration
____________ an animal that depends on its environment to warm its body.
Endotherm
Metabolism
Maintain
Ectotherm
_____________ is an animal that uses energy from their body to keep their body at a steady temperature.
Ectotherm
Cellular Respiration
Endotherm
Herbivore
Which of the following vertebrate classes are ectothermic?
Fish, Reptiles, Mammals
Mammals and Birds
Fish, Amphibians, Reptiles
Birds and Fish
Which of the following vertebrate classes are endothermic?
Fish, Reptiles, Mammals
Mammals and Birds
Fish, Amphibians, Reptiles
Birds and Fish
Hunger, thirst, fever or vomiting are what type of stimuli?
external
internal
Weather temperature is an example of what kind of stimuli?
External stimuli
Internal stimuli
What is homeostasis?
changes in a species over time
the response of an organism to a stimulus
the ability of an organism to reproduce
the balance in an organism's internal environment
Random movement in response to a stimulus; non directional
Directed Movements
Kinesis
Taxis
Chemotaxis
A behavioral response that produces movements in a specific direction, has a destination
taxis
kinesis
chemotaxis
negative
Naturally occurring physical, behavioral, and mental changes in the body that typically follow the 24-hour cycle of the sun is called:
circadian rhythm
sleep deficit
REM sleep
jet lag
What type of behavior is inherited rather than learned?
stimuli.
homeostasis.
innate.
instinct.
A baby chimpanzee watches its mother use a twig to dig up termites. The baby chimpanzee will try doing this to find termites to eat.
Learned
Innate
When a response to a stimulus becomes associated with another stimulus (dog produces saliva when hears bell ring)
imprinting
reflexing
conditioning
hibernating
Studies show what 2 factors influence an animal’s behavior?
food & space
genetics & experience
experience & food
genetics & food
What is the defense of a physical space called?
Taxis
Mirgation
Territoriality
Estivation
Type of cost for a behavior, check all that apply
compound interest cost
opportunity cost
risk cost
energy cost
food hunting style that gives the maximum energy in food per unit of energy expending in the hunt
territorial protection
courtship behavior
optimal foraging behavior
habituation
Social animals form groups to
find food
have protection
raise young
all of these reasons
Living in groups______.
attracts predators
helps prey spot predators
helps animals find food
all of the above
The interaction between two or more organisms for a common goal...
survival
altruism
adaptable
cooperative behavior
Behavior that benefits another without benefiting the animal that does the behavior
altruism
courtship
territoriality
imprinting
A tropism is...
a change in the environment
plant movement in response to a stimulus
something that causes a response
when photosynthesis takes place
Roots of a tree growing towards the water line of a house.
Geotropism
Phototropism
Thigmotropism
Hydrotropism
Sunflowers turning towards the sun.
Hydrotropism
Phototropism
Thigmotropism
Geotropism
What makes a tropism positive or negative?
Positive = movement towards stimulus, Negative = movement away from stimulus
Negative = movement towards stimulus, Positive = movement away from stimulus
Who cares? It doesn't matter whether it is positive or negative
Positive = when a plant is happy, Negative = when a plant is sad
A plant's response to touch
thigmotropism
geotropism
hydrotropism
dormancy
The growth of plants response to gravity
Thigmotropism
Geotropism
Phototropism
Hydrotropism
Which results in offspring that are genetically unique and display a combination of traits from each parent?
Sexual
Asexual
Neither
Both
Which type of reproduction results in offspring that are identical to the parent?
Sexual
Asexual
Neither
Both
What is the cell process called that produces sex cells?
Mitosis
Meiosis
Photosynthesis
Cellular Respiration
Offspring gets 50% of its DNA from each parent
Sexual Reproduction
Asexual Reproduction
Offspring gets 100% of the DNA from one parent
Sexual Reproduction
Asexual Reproduction
Can produce more offspring faster
Sexual Reproduction
Asexual Reproduction
Greater genetic diversity
Sexual Reproduction
Asexual Reproduction
Budding, Fragmentation, Binary Fission
Sexual Reproduction
Asexual Reproduction
some plants can send out runners that sprout daughter plants, this is called:
vegetative propagation
budding
fragmentation
binary fission
Advantages of sexual reproduction are
selective breeding
saves time
saves energy
genetic variation
What is a gamete?
sex cell
human cells
plant cells
plant and animal cells
The study of heredity is called ....
biology
genetics
chemistry
The different forms or versions of a gene are called ...
alleles
gametes
phenotypes
chromosomes
The trait or allele that is expressed when only one is present is called the ___________ trait.
dominant
recessive
Which of the following represents a heterozygous genotype?
Aa
AA
aa
Ab
A recessive trait would appear in the phenotype of which of these?
BB
bb
Bb
Bf
Which is homozygous dominant?
Rr
tt
PP
Ww
Cells that have pairs of chromosomes are called.....
diploid cells
haploid cells
zygotes
homologous chromosomes
Pairs of chromosomes having genes for the same traits are called......
homologous
similar
opposite
diploid
Cell that contains half the number of chromosomes
Haploid cells
Somatic cells
Diploid cells
Prokaryotic cells
What does the image demonstrate
Punnet squares
Crossing over
Metaphase
Dna replication
During prophase I crossing over occurs and genetic material is exchanged between homologous chromosomes. How is this important
Increases genetic variation
Reduces the diploid number to the haploid number
Increases the haploid number to the diploid number
Reduces the probability of mutations
If a homozygous black cat (BB) is crossed with a homozygous white cat (bb), what is the probability of having a cat with white fur?
100%
0%
75%
25%
(Click the picture to see it without the text)
A child has blood type AB. Which blood types would his parents most likely have?
B and O
O and A
A and B
AB and O
Why do X-linked traits like hemophilia affect males more often than females?
males have only one copy of the X chromosome
females have an X and a Y chromosome
males have two copies of the X chromosome
females are not affected by X-linked traits
Genes that are located on sex chromosomes are called
alleles.
recessive.
XY.
sex-linked.
In llamas, the gene for wool color is only expressed when the gene for pigment is expressed. This is an example of...
incomplete dominance
codominance
polygenic traits
epistasis
A factor from an organism's surroundings that influences it in some way
Environmental factor
Genetic factor
Limiting factor
system
Which of the following most relates to the nature-nurture issue?
parents and peers
genes and environment
culture and norms
DNA and chromosomes
