What is a dichotomous key?
Biology SOL #7

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Biology
•
12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A dichotomous key is a tool that allows the identification of organisms through a series of choices that lead the user to the correct name of a given item.
2.
FLASHCARD QUESTION
Front
What is the significance of mating behaviors in species classification?
Back
Mating behaviors can indicate reproductive isolation, which is a key factor in determining whether two populations belong to different species.
3.
FLASHCARD QUESTION
Front
What is variation within a population?
Back
Variation refers to the differences in traits among individuals in a population, which can affect survival and reproduction.
4.
FLASHCARD QUESTION
Front
What is the role of nerve cell branches?
Back
Nerve cell branches, or dendrites, help the cell communicate with other cells by receiving signals.
5.
FLASHCARD QUESTION
Front
What constitutes a scientific experiment?
Back
A scientific experiment is a structured procedure carried out to test a hypothesis by manipulating variables and observing the effects.
6.
FLASHCARD QUESTION
Front
What is natural selection?
Back
Natural selection is the process by which organisms better adapted to their environment tend to survive and produce more offspring.
7.
FLASHCARD QUESTION
Front
What is the difference between a hypothesis and a theory?
Back
A hypothesis is a testable prediction, while a theory is a well-substantiated explanation of an aspect of the natural world.
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