8th grade 4.1 summative

Front

What is the Law of Natural Selection?

Back

The Law of Natural Selection states that organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a mutation?

Back

A mutation is a change in the DNA sequence of an organism.

Front

What does relative-age dating allow archaeologists to determine?

Back

Relative-age dating allows archaeologists to determine the relative order of fossils, indicating that a fossil found below another is older.

Front

What is an example of a sudden environmental change?

Back

A lightning strike causing a forest fire.

Front

Can animals choose their adaptations?

Back

False, animals cannot choose their adaptations; they are determined by genetic variations.

Front

What is the significance of the betel palm in the finch survival scenario?

Back

The betel palm is the only food source available, influencing which finch species can survive based on their adaptations.

Front

What is the role of competition in natural selection?

Back

Competition for resources can lead to natural selection, where only the fittest organisms survive.

Front

What is the difference between gradual and sudden environmental changes?

Back

Gradual changes occur slowly over time, while sudden changes happen quickly and can drastically affect ecosystems.

Front

What is an example of a gradual environmental change?

Back

The gradual increase of Earth's average temperature.

Front

What is phenotype?

Back

Phenotype refers to the observable physical characteristics of an organism, influenced by its genotype and environment.