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WorksheetsCBA 3 Review 7th Sci
Total questions: 99
Worksheet time: 2hrs 1mins
The tundra is a vast plain with frigid temperatures and plenty of snow. Which of the following adaptations does not help the polar bear survive in the tundra.
Layers of fat for insulation
webbed toes for swimming
white fur for camouflage
total herbivorous diet
Chameleons are reptiles that have the ability to hide from predators and prey by blending in with their environment. They can change the pattern and/or color of their skin. This ability is known as --
natural selection
imitations
mimicry
camouflage
When people exercise, they often feel thirsty and begin to sweat. It is important for people to feel thirst when exercising because it makes them realize that they should --
take a break
consume liquids
slow their breathing
stop to eat something
Plants have different signals for attracting pollinators. It is not uncommonm for the same plant to have more than one signal. Which of the following would not be a way in which plants attract pollinators?
Presence of barbs
specific texture or pattern
strong scents
bright colors
Which organism would be least likely to survive a migration?
A deer with an extra horn
A bird flying with a flock
A monarch butterfly with a damaged wing
A bison that joins a herd
Based on the picture above, what structures allow Galanthus flowers to better survive drought conditions compared to the Bluebell flower
Galanthus flowers have longer stems that allow them to capture more sunlight.
Galanthus flowers have fewer leaves causing food production to be efficient.
Galanthus flowers have long roots to reach ground water.
Galanthus flowers have bulb roots that store large amounts of food.
A desert is biome that can have extremely harsh living conditions. Which adaptations do animals need to survive in this type of environments.
I, III, and IV
I, II, and IV
II, III, and IV
I, II, III, and IV
Flightless Mormon crickets often move in large groups but no always. Which of these inferences about Mormon crickets is most likely accurate?
Mormon crickets with a group survive only two days.
Mormon crickets away from a group successfully reproduce
Mormon crickets away from a group return to it for protection
Mormon crickets within a group are less likely to be eaten by predators
Which type of seed dispersal would most likely be used by the organism shown in the diagram above?
Animal dispersal
Wind dispersal
Water dispersal
Which part of the plant above is a variance that stores food for the plant?
Bulb
Leaves
Stem
Flower
A female Atlantic green turtle is born with the need to travel to Ascension Island in the South Atlantic Ocean to lay eggs in the sand. This behavior is best described as --
Hibernation
Instinct
Classification
Amphibian
Change over time
Natural Selection
Evolution
Selective Breeding
Homeostasis
Natural selection
organisms better adapted to their environment tend to survive and produce more offspring
process used by humans to develop new organisms with desirable characteristics
Selective breeding
organisms better adapted to their environment tend to survive and produce more offspring
process used by humans to develop new organisms with desirable characteristics
"Survival of the fittest" describes which theory
Natural selection
Selective breeding
Which is an example of selective breeding?
A giraffe's long neck.
Clipping a horse's tail so it's not too long.
Training a horse to run faster.
Cross breeding a labrador retriever with a poodle .
The differences among a species, like different bird beaks, are called
genes.\
variations
traits
alleles
Which organisms are most likely to survive?
The strongest
The best adapted
The fittest
The most athletic
The long and sharp beak of a woodpecker is an example of
natural selection
selective breeding
Natural selection is where ___________ decides which traits should be passed on.
nature
a human
traits
evolution
Selective breeding is where _____________ decides which traits should be passed on.
nature
a human
traits
evolution
Which statement best describes natural selection?
A lion eating another animal.
A farmer selecting the cows that will breed.
A dog breeder.
A botanist creating a new colored flower.
Which statement best describes selective breeding?
Survival of the fittest.
Evolution.
Breeding for a desired trait.
How can farmers best use selective breeding to increase apple production?
By limiting the number of trees growing so they can have more space.
By choosing trees that are the largest in size.
By increasing the amount of water and fertilizer the trees receive.
By choosing trees that consistently have the most apples.
Over time, honey suckle flowers develop a sweet smell to attract pollinators. This is an example of
selective breeding
extinction
natural selection
evolution
What word describes the process of having the advantageous traits that helps an organism survive and reproduce?
Natural selection
Selective breeding
What is the function (job) of fish gills?
To absorb water from the water
To make the fish faster
To make the fish lighter
To absorb oxygen from the water
What adaptation most likely helps this bird fly?
A strong beak
Small feet
Hollow bones
The color of the bird
Why do hollow bones help birds during flight?
Hollow bones make the birds weigh less
Hollow bones are full of heavy blood
Hollow bones store water
Hollow bones are made of feathers
Xylem is a plant adaptation that allows plants to transport ______________ up the stem.
Salt
Sugar
Water
Coffee
Birds migrate during the winter to less cold areas. What type of adaptation is this?
Behavioral
Physiological
Some plants such as beets, onions and tulips have physical adaptations that allows them to store energy for the next season. What are these types of roots called?
Dubs
Bulbs
Xylem
Phloem
If a fishes gills are small, what might this say about the oxygen in the water?
The water has no oxygen
The water must have a high concentration of oxygen.
The water must have a low concentration of oxygen
The water is clear and cold
Define Adaptation.
How an organism has NOT changed and continues to live in an environment
All animals can live in any environment
Special features or behaviors that allow an animal to survive in an environment.
How an organism grows over time
Hibernation is a ____________________ adaptation that allows animals to survive at times where food is not available.
physical
behavioral
This stick insect is using ________________ to blend in to it's environment.
air
terra
camouflage
synthesis
During photosynthesis, the energy from the sun is used to split water molecules into hydrogen and oxygen.
True
False
Which of the following statements best describes the term photosynthesis?
When plants absorb the energy from the sun.
How plants reproduce.
The process by which plants make their own food.
The process by which animals make their own food.
Which of the following is needed for the process of photosynthesis?
Water
Oxygen
Starch
Carbon dioxide
Chlorophyll is:
The substance that makes plants green.
Found inside the chloroplast cells.
Used to absorb energy from the sun.
All of the above.
The openings that are found in the leaves of plants are called:
Stomata
Chlorophyll
Xylem
Chloroplast
The process of photosynthesis takes place in the:
Leaves of the Plant.
Stem of the plant.
Roots of the plant.
All of the above.
1.
What are the reactants of cellular respiration in plants?
carbon dioxide and water
glucose and carbon dioxide
the reactants of the electron transport chain
oxygen and glucose
Why are plants considered autotrophs
They make their own food
They provide food for others
What are the products of photosynthesis?
Glucose
sunlight
water
What part of the plant soaks up water for photosynthesis?
roots
leaf
petals
stem
Which of the following is NOT needed for plants to survive?
Sunlight
Pesticides
Water
Carbon Dioxide
What is produced as a result of photosynthesis?
glucose and chlorophyll
water and light energy
glucose and oxygen
carbon dioxide and water
How many raw materials (ingredients) does photosynthesis require?
1
2
3
4
What is a fitting description for this diagram?
The Mayfly is a food source for which 3 organisms?
1 A group of students are investigating the transformation of energy during digestion. The initial temperature of hydrogen peroxide in a beaker is measured and recorded. Small pieces of liver are placed into a beaker of hydrogen peroxide and the temperature is measured and recorded every 30 seconds over a two minute time period.
What energy transformation is under investigation in the scenario above?
A Thermal energy transformed into chemical energy
B Chemical energy transformed into thermal energy
C Chemical energy transformed into mechanical energy
D Mechanical energy transformed into thermal energy
2 Which of the following best illustrates the transfer from chemical energy to thermal energy?
3 Which is the best description of thermal energy?
A A kind of chemical energy
B A kind of potential energy
C A kind of heat energy
D A kind of light energy
4 Which of the following best illustrates the transfer of from radiant energy to thermal energy.
5 Which of the following energy transformations occur when humans use energy from food to exercise?
A Mechanical --> thermal --> chemical
B Thermal --> electrical --> mechanical
C Radiant --> mechanical --> thermal
D Chemical --> mechanical --> thermal
6 What energy transformation takes place when a rabbit digests a carrot?
F Radiant energy is transformed into chemical energy.
G Chemical energy is transformed into heat and thermal energy.
H Radiant energy is transformed into mechanical and heat energy.
J Thermal energy is transformed into mechanical energy.
7 Which of the following best describes the energy conversions that occurs during photosynthesis?
A Chemical energy is changed into solar energy.
B Solar energy is changed into mechanical energy.
C Chemical energy is changed into heat energy.
D Solar energy is changed into chemical energy.
8 Metabolism refers to the living organisms' bodies chemical processes of breaking down nutrients into energy. What do biologists call this process in the human body?
F Ingestion
G Digestion
H Elimination
J Regurgitation
9 Animals are consumers, meaning they need to eat food for energy because they cannot make their own. Which energy transformation is taking place when an animal eats food so it can keep warm?
A Mechanical to thermal
B Mechanical to radiant
C Chemical to thermal
D Radiant to chemical
10 Which of the following transforms energy from chemical to mechanical to thermal?
F Photosynthesis
G Digestion
H Exercise
J Boiling
11 When a person eats too much food, they store the extra energy as fat. Which type of energy transformation is occurring in the body as energy from food is turned into fat?
A. Mechanical to thermal
B Chemical to chemical
C Thermal to chemical
D Thermal to radiant
12 A student prepares for a five-mile run so she eats a nutritious meal three hours before the run. Which correctly illustrates the transformation of energy from eating the meal to the five mile run?
F Chemical --> Thermal
G Thermal --> Mechanical
H Mechanical --> Thermal --> Chemical
J Chemical --> Mechanical --> Thermal
13 Energy transformation is the process of changing energy from one form to another. Our digestive system converts food into energy.
Which of the transformations below below best illustrates the conversion of food into thermal energy?
