Variation is any difference in organisms of the same species, whereas gradualism is a microevolutionary theory.
<h3>What is a scientific theory?</h3>
A scientific theory is a given explanation on a phenomenon from the real world (e.g., the evolution theory).
The fossil record is a piece of evidence for the evolution theory (which is mainly based on natural selection).
In conclusion, variation is any difference in organisms of the same species, whereas gradualism is a microevolutionary theory.
Learn more about natural selection here:
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What are the facts of a set of allies on an organism health or appearance
The nurse should tell the patient that in order to cater to the children and manage his health, he needs to plan out his activities. He needs to continue to take his medication when required. He needs to be prepared and should be open to changes in his daily schedule in the case that any medical emergency might happen.
Answer:
1. Either porifera or asymmetrical
2. Invertebrate
3. filtering
4. Axis
5. I don't know this one, I'm sorry.
6. Exoskeleton
7. Cold-Blooded creature
8. Vertebrate
9. Endoskeleton
10. Warm-blooded animal
Good Luck! Hope I wasn't too late.