🌈 Flashcardizz #10 ENGLISH 🌈 24-25

Front

What is gel electrophoresis?

Back

A laboratory technique used to separate DNA fragments based on their size by applying an electric field to a gel matrix.

Front

In gel electrophoresis, where do the largest DNA fragments appear?

Back

Closest to the starting wells.

Front

What is the purpose of adding enzymes to DNA in electrophoresis?

Back

To cut the DNA into fragments.

Front

What does a food web represent?

Back

All connections of energy flow throughout all organisms in a habitat.

Front

Which organism receives the least amount of energy from the producer?

Back

Owl.

Front

What is the role of producers in an ecosystem?

Back

Producers convert sunlight into energy through photosynthesis, forming the base of the food web.

Front

Define a food chain.

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is the difference between a food chain and a food web?

Back

A food chain shows a single pathway of energy flow, while a food web illustrates all the interconnected food chains in an ecosystem.

Front

What is the function of a dichotomous key?

Back

A tool used to identify organisms based on a series of choices that lead the user to the correct name of a given item.

Front

What is the significance of energy transfer in an ecosystem?

Back

Energy transfer is crucial for maintaining the balance of ecosystems, as it determines the population dynamics of organisms.