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Front

What is the relationship between wolf and moose populations observed between 1980 and 1995?

Back

As the wolf population decreases, the moose population increases.

Front

What trait allowed certain mammals to survive while woolly mammoths became extinct?

Back

Certain inheritable traits that enabled them to survive.

Front

Does evolution always result in a species that survives to the present time?

Back

No, evolution does not always result in a species that will survive to present time.

Front

What is responsible for the movement of DNA fragments in gel electrophoresis?

Back

Electric current; Attraction of negative fragments to positive pole; Charges on the DNA.

Front

How can you tell that DNA samples are from different individuals based on banding patterns?

Back

The bands are in different positions in each column; Different banding patterns; Different number of bands.

Front

What is the significance of inheritable traits in the survival of species?

Back

Inheritable traits can provide advantages that enhance survival and reproduction in changing environments.

Front

What role do predators play in the population dynamics of prey species?

Back

Predators can control the population size of prey species, leading to fluctuations in their numbers.

Front

What is gel electrophoresis used for in genetics?

Back

Gel electrophoresis is used to separate DNA fragments based on their size and charge.

Front

How does natural selection contribute to evolution?

Back

Natural selection favors individuals with advantageous traits, leading to changes in the population over generations.

Front

What factors can lead to the extinction of a species?

Back

Factors include habitat loss, climate change, competition, and inability to adapt to environmental changes.