Igneous rocks are formed when the magma from an erupting volcano eventually cools this rock is extrusive- found on the earth's surface.
I believe mutation.
please vote my answer brainliest. thanks!
Answer:
The correct answer is- make a prediction
Explanation:
A hypothesis can be defined as an explanation of any observation which can be confirmed by experiments and prediction is the guess about the future result of any observation.
As here a biologist hypothesized that the sound produced by frog is mating calls than the next step of the biologist would be to make a prediction about response of that mating call by female frogs. This is called hypothesis prediction method.
Therefore the right answer is- biologist will make a prediction.
The Theory states if my memory is correct. All living things contain one or more cells. And all living cells Come from preexisting cells. Robert Hooke discovered the cell while, Theodor Schwann and Matthias schleiden are credited to the creation of the cell theroy
