Asked by sincerely

Which purpose does a light bulb serve in a circuit?
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1 point
a Cell
b Switch
c Load
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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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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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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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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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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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Which system is most complex?
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1 point
cells
organs
organ systems
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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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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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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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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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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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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
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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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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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c Load
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c mushrooms sprouting
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c Animal bodies have skeletons or other means of providing structure.
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b They are responsible for cellular respiration.
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a) all functions.
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c carry and transmit signals
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organ systems.
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A lizard is cold, and it moves to a sunny rock to warm up.
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Mouth and stomach.
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sensory neurons.
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grow and reproduce.
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Each species is an individual organism.
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rabbit.
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That name is the same everywhere in the world.
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class → order → family → genus → species.