The answer to this question is choice d because it describes a nerve impulse
Answer:
The sun is important for many reasons. Even though its far away, it keeps us warm, and gives us light. Plants also need the light to survive, and we need plants to breathe and to eat. We also need the sun because it makes sure the earth goes were its supposed to in space
Explanation:
Characteristics of Lancelets:
Small
Elongated
Marine invertebrate
Lacks a jaw
No sense organs
Has a notochord
Example: Lamprey
Characteristics of Tunicates:
Marine invertebrate
Has an outer coat that is rubbery or hard
Has two siphons
Examples: sea squirts, salps
The type of microscope which would be the best tool to use to view the surface of a bacterial cell is a Scanning electron microscope.
This is because it can be used to look at the surface of objects at high resolution. Maximum magnification: Approximately 500,000x. Best for: Looking at surfaces of objects
<h3>What is a Microscope?</h3>
This refers to an optical instrument that is used for viewing very small objects and can be magnified several hundred times.
The type of microscope which would be the best tool to use to view the surface of a bacterial cell is a Scanning electron microscope.
This is because it can be used to look at the surface of objects at high resolution. Maximum magnification: Approximately 500,000x. Best for: Looking at surfaces of objects
Hence, we can see that your question is incomplete, so a general overview was given to you, and only the last question was answered.
Read more about microscopes here:
brainly.com/question/543989
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I think that the answer this question would have to be c