Biological Vocabulary and Concepts

This video lesson from Learning English Pro covers English vocabulary related to evolution. It explains key terms such as evolution, natural selection, survival of the fittest, adaptation, mutation, variation, heritability, and species. The lesson provides definitions and examples for each term, helping learners understand their meanings and usage in the context of biology and evolution. The video also offers additional resources for further learning.

What is the main focus of this lesson?

• Vocabulary related to evolution

• Historical events

• English grammar rules

• Mathematical equations

What does the term 'evolution' refer to?

• An immediate transformation

• A sudden change in species

• A fixed state of being

• A gradual change over generations

Which term describes the process where organisms best suited to their environment survive?

• Genetic drift

• Natural selection

• Artificial selection

• Random mutation

What does the verb 'adapt' mean?

• To make something suitable for a new use

• To replicate exactly

• To remain unchanged

• To destroy completely

In biological terms, what does 'mutation' refer to?

• A change in an organism's DNA

• A fixed trait

• A stable genetic sequence

• A constant environmental factor

What does 'variation' describe in biology?

• An identical replication

• A complete absence of change

• A slight difference within limits

• A uniform condition

What does 'heritable' mean in a biological context?

• Something that cannot be passed on

• A trait that is transmitted from parent to offspring

• A temporary condition

• An environmental factor

What is a 'species'?

• A random assortment of genes

• An unrelated collection of organisms

• A group of similar individuals capable of interbreeding

• A single organism

What does the term 'generation' refer to?

• A single individual

• An isolated event

• All people born and living at about the same time

• A specific genetic trait

What is a 'common ancestor' in the theory of evolution?

• An organism that has no descendants

• An organism that two or more descendants share

• An unrelated species

• A unique species with no relatives