8th Grade Science - Semester Final Exam - Fall - 2023-2024

Front

What is a histogram?

Back

A graph that uses bars to show how characteristics or values are distributed within a group.

Front

What is a non-adaptive trait?

Back

A trait that makes it less likely that an individual will survive in a specific environment.

Front

Which lizard populations will most likely survive in an environment with frequent floods?

Back

Populations 1 and 2 will most likely survive.

Front

How long did the Cenozoic Era last?

Back

65 million years ago (mya) to present.

Front

What is an adaptive trait?

Back

A trait that makes it more likely that an individual will survive in a specific environment.

Front

What is the smallest unit of measurement for mass?

Back

Gram.

Front

What is natural selection?

Back

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is the difference between a trait and a characteristic?

Back

A trait is a specific feature of an organism, while a characteristic is a broader category that includes various traits.

Front

What is the significance of biodiversity?

Back

Biodiversity contributes to ecosystem resilience, providing stability and adaptability to environmental changes.

Front

What is a population in ecological terms?

Back

A group of individuals of the same species living in a specific area.