Explanation:
The experimenter alters the independent variable with the hopes of collecting data about how the dependent variable changes in response.Other variables have to be controlled so that any changes of the dependent variable are attributed to the known independent variable.
A frog is an amphibian so it survive both on land and water
Hope this helps:)
<span><span>You would use a Punnnet Square:
</span><span> Here's a vid that shows you how to properly use one:
https://www.youtube.com/watch?v=O2-zdtF2cvY </span></span>
There are four postulates of Darwin in which individual of species are not identical, traits are eased from one generation to the other and more offspring are born than that can survive. survivor of the competition for resources will reproduce only.
The four principle or postulates of Darwin are - variation , inheritance , selection and time. these all are considered the evolutionary component natural selection mechanism.
One is origin species by means of naturally selective mechanism, then preserve in the struggle of race of life.Darwin selection is mainly depends on the environment and heritable variations.All species of organisms which arise through natural selection of survive and reproduce.
To learn more about Darwin here
brainly.com/question/27812304
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