Front

What is the largest biome on Earth?

Back

Marine systems are the largest of all Earth's biomes.

Front

What are the two types of feedback in a feedback loop?

Back

Positive feedback and negative feedback.

Front

What does homeostasis regulate?

Back

Homeostasis involves the regulation of an internal environment with an ever-changing external environment.

Front

What is disruptive selection in natural selection?

Back

Disruptive selection occurs when extreme phenotypes are favored over intermediate phenotypes, leading to a decrease in average-sized individuals.

Front

What is stabilizing selection in natural selection?

Back

Stabilizing selection favors average phenotypes and reduces variation in a population.

Front

Define marine systems in the context of biomes.

Back

Marine systems encompass all oceanic environments, including coastal areas, open oceans, and deep-sea ecosystems.

Front

What is the role of feedback loops in biological systems?

Back

Feedback loops help maintain homeostasis by regulating physiological processes.

Front

How does external environment affect homeostasis?

Back

The external environment can change, requiring organisms to adjust their internal conditions to maintain stability.

Front

What is an example of a positive feedback loop?

Back

An example of a positive feedback loop is the process of childbirth, where contractions lead to the release of oxytocin, increasing the intensity of contractions.

Front

What is the significance of beak size in finches regarding natural selection?

Back

Beak size in finches is a trait that can be selected for or against based on food availability, demonstrating natural selection.