8 SCI Fall Final Review

Front

Which season has the least daylight hours?

Back

Winter is the season with the least daylight hours due to the tilt of the Earth's axis.

Front

What is the trend on the HR diagram showing as stars increase in temperature, they also increase in brightness?

Back

The trend is known as the Main Sequence, where stars fuse hydrogen into helium, increasing both temperature and brightness.

Front

What is the main role of the nervous system?

Back

The main role of the nervous system is to sense and respond to changes in the body and environment.

Front

What geological feature is created by a divergent boundary?

Back

A rift valley is created by a divergent boundary, where tectonic plates move apart.

Front

In a food web, what can be replaced while keeping the system biotic?

Back

Frogs can be replaced with another amphibian without disrupting the biotic factors.

Front

What is the definition of a convergent boundary?

Back

A convergent boundary is where two tectonic plates move towards each other, often causing mountains or subduction zones.

Front

What is the role of producers in an ecosystem?

Back

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

Front

What is the significance of the Main Sequence in stellar evolution?

Back

The Main Sequence is where stars spend most of their life cycle, fusing hydrogen into helium.

Front

What is the function of the circulatory system?

Back

The circulatory system transports oxygen, nutrients, and hormones to cells and removes waste products.

Front

What is an example of a biotic factor in an ecosystem?

Back

An example of a biotic factor is any living organism, such as plants, animals, or bacteria.