Evolution can be described as the changes which occur in a population over a period of time. Over a period of time, organisms tend to evolve those characteristics which make them better adapted to live in an environment. Such changes which occur over a long period of time are termed as evolution. Charles Darwin was the scientist to bring forward the theory of evolution.

The change in the tail length of a rat over a course of many years is an example of evolution.

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4 years ago

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The flowchart below shows the major steps in a system that builds mp3 players.

ValentinkaMS [17]

Answer:

A . II and IV only.

Explanation:

Process is defined as the series of steps that are followed to achieve certain goal.
In the flow chart I, III and V show raw material, the parts and Mp3 player. respectively.
None of these involves steps or method.
Step II shows Production. It involves methods and steps that convert the raw material in to product. Thus, it is a process.
Step IV show assembly. Assembling also involves series of steps and method that combine the part to make the Mp3 player. Thus it is also a process.

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3 years ago

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What is the thing that pumps blood to your heart?

Alecsey [184]

Answer:

Blood vessel

Explanation:

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3 years ago

Which plant adaptation is most common in the Tropical Forest biome?*

bazaltina [42]