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Explain the difference between Lamarck’s and Darwin’s theory of evolution? Why was Darwin’s more successful?

Darwin and Lamarck were both scientists who tried to understand evolution. Lamarck Lamarck’s theory of evolution was based around how organisms (e.g. animals, plants) change during their lifetime , then pass...
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Answered by Ted H. • Biology tutor
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How does evolution occur by natural selection?

Over time many theories have been put forward by the scientific community about how the process of evolution occurs. However the most commonly accepted theory amongst scientists is that evolution occurs by t...
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Answered by Katy W. • Biology tutor
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What is Homeostasis and how does it work?

To understand homeostasis we first need to understand the meaning- the definition buzz phrase for this word is "the maintenance of a constant internal environment". Therefore it refers to the proce...
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Answered by Elspeth B. • Biology tutor
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How do organisms obtain energy?

Organisms, such as humans, take in "substrates" such as glucose, in our food. During a process called respiration, we react these substrates with oxygen to give carbon dioxide and water; this takes...
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Answered by Alastair R. • Biology tutor
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What is meant by diffusion?

​What is diffusion? Diffusion is a natural process, definied as the net movement of particles from an area of high concentration to an area of low concentration . But what does this mean? Imagine you're goin...
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Answered by Callum M. • Biology tutor
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