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True [87]
3 years ago
5

How do fossils of extinct species provide evidence of how life on earth has changed?

Biology
1 answer:
Snowcat [4.5K]3 years ago
8 0
They show how all creatures have adapted such as giant dinosaurs are now tiny lizards =D<span />
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D, organisms that survive long enough to reproduce.

Explanation:

C and D are the best answers. Adaptations and skills other than speed and strength contribute to an organism's survival too, so that means it isn't C. Natural Selection is about how an organism must have useful traits to survive to reproductive stage and  successfully reproduce, so it would definitely be D.

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3 years ago
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Hypothesis: If the porosity of three soils are tested, then red clay soil will have the lowest porosity.
NNADVOKAT [17]

Answer:

This question is incomplete, based on the given hypothesis, the question is asking to identify the variables (independent and dependent) of the experiment.

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Explanation:

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- Dependent variable is the variable that responds to changes made to the independent variable. It is the variable being measured in an experiment. In this case, the porosity is the variable being measured, hence, it is the dependent variable.

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