Which purpose does a light bulb serve in a circuit?
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1 point
a Cell
b Switch
c Load
29 answers
c Load
Of these things in an environment, which one is a living thing?
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1 point
a air
b river flowing down a mountain
c mushrooms sprouting
d clay on the side of the riverbank
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1 point
a air
b river flowing down a mountain
c mushrooms sprouting
d clay on the side of the riverbank
c mushrooms sprouting
One reason animal cells don't need a central vacuole is because they often have smaller vacuoles for storage. What is another reason animal cells don't need central vacuoles?
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1 point
a Animals do not produce their own food.
b Animal cells have cell walls.
c Animal bodies have skeletons or other means of providing structure.
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1 point
a Animals do not produce their own food.
b Animal cells have cell walls.
c Animal bodies have skeletons or other means of providing structure.
c Animal bodies have skeletons or other means of providing structure.
Which statement is correct about organelles that provide energy?
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1 point
a They are found only in animal cells.
b They are responsible for cellular respiration.
c They are found only in plant cells.
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1 point
a They are found only in animal cells.
b They are responsible for cellular respiration.
c They are found only in plant cells.
b They are responsible for cellular respiration.
Unicellular cells must carry out ___ of life.
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1 point
a) all functions
b) a single function
c) specific functions
d) a few functions
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1 point
a) all functions
b) a single function
c) specific functions
d) a few functions
a) all functions.
What is the function of a nerve cell in a multicellular organism?
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1 point
a produce and manage movement
b store and distribute oxygen
c carry and transmit signals
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1 point
a produce and manage movement
b store and distribute oxygen
c carry and transmit signals
c carry and transmit signals
Which system is most complex?
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1 point
cells
organs
organ systems
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1 point
cells
organs
organ systems
organ systems.
Which example shows an organism that cannot reach homeostasis through internal changes?
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1 point
A lizard is cold, and it moves to a sunny rock to warm up.
A dog shivers when it is too cold.
A person gets a fever in response to a flu infection.
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1 point
A lizard is cold, and it moves to a sunny rock to warm up.
A dog shivers when it is too cold.
A person gets a fever in response to a flu infection.
A lizard is cold, and it moves to a sunny rock to warm up.
In which two organs is food broken down?
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1 point
Mouth and stomach
Small intestine and large intestine
Esophagus and small intestine
Esophagus and stomach
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1 point
Mouth and stomach
Small intestine and large intestine
Esophagus and small intestine
Esophagus and stomach
Mouth and stomach.
When you experience changes in light, sound, and temperature, which cells send signals toward the central nervous system?
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1 point
dendrites
sensory neurons
axons
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1 point
dendrites
sensory neurons
axons
sensory neurons.
Bacteria and humans are similar in that they
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1 point
are multicellular.
produce energy.
are unicellular.
grow and reproduce.
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1 point
are multicellular.
produce energy.
are unicellular.
grow and reproduce.
grow and reproduce.
Why is the classification species not considered a group?
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1 point
Each species is an individual organism.
Each species is a separate type of organism.
Each species shares characteristics with other species.
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1 point
Each species is an individual organism.
Each species is a separate type of organism.
Each species shares characteristics with other species.
Each species is an individual organism.
Use this chart to answer the question below.
Use the table model to correctly identify the animal in the story. You are walking home from school and an animal jumps out on the sidewalk. You can see it has a backbone, fur and is nibbling on some grass. As you get closer, you see that the animal is a....
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1 point
bird
cat
rabbit
dog
Use the table model to correctly identify the animal in the story. You are walking home from school and an animal jumps out on the sidewalk. You can see it has a backbone, fur and is nibbling on some grass. As you get closer, you see that the animal is a....
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1 point
bird
cat
rabbit
dog
rabbit.
Why are scientific names important to use?
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1 point
It is easier to pronounce than the common name.
That name is the same everywhere in the world.
The name is for animals that are only found in a specific location.
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1 point
It is easier to pronounce than the common name.
That name is the same everywhere in the world.
The name is for animals that are only found in a specific location.
That name is the same everywhere in the world.
What should be the correct order (largest to smallest) of hierarchy for Classification of Organisms?
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1 point
class → order → family → genus → species
order → class → family → genus → species
species → genus → order → family → class
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1 point
class → order → family → genus → species
order → class → family → genus → species
species → genus → order → family → class
class → order → family → genus → species.