Take this Quiz: GCSE Biology: Variation and Evolution | Zestly

Question 1

Which of the following factors primarily contribute to the variation observed in a population of organisms?

Accepted Answer

Genetic differences inherited from parents

Question 2

In the context of Darwin's theory of natural selection, what is the primary role of competition within a population?

Accepted Answer

To act as a selective pressure that limits survival

Question 3

Which of the following statements accurately describes the process of selective breeding?

Accepted Answer

Humans select parents with desired traits to breed

Question 4

What is a significant risk associated with the practice of selective breeding?

Answer

It always leads to the extinction of the species

Answer

It increases the speed of natural evolution

Answer

It can lead to inbreeding and the accumulation of harmful recessive traits

Answer

It prevents the transfer of genes between different species

Question 5

How does the development of antibiotic-resistant bacteria, such as MRSA, provide evidence for evolution?

Answer

It shows that bacteria can change their species classification

Answer

It demonstrates natural selection occurring in real-time due to environmental pressure

Answer

It proves that mutations are always beneficial to the organism

Answer

It shows that bacteria can be trained to survive antibiotics