Science Flashcard

Front

What is a positive feedback loop in ecological systems?

Back

A positive feedback loop is a process where an initial change in a system leads to further changes that amplify the original effect, potentially leading to an ecological tipping point.

Front

What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state. An example is the chemical energy in a candy bar.

Front

What are the components of most living systems?

Back

Most living systems can be described as having inputs, throughputs, and outputs.

Front

What is an example of positive feedback in nature?

Back

An example of positive feedback is when one apple ripens and releases chemicals that cause neighboring apples to ripen as well.

Front

What element is characteristic of all organic compounds?

Back

Carbon is the element that is characteristic of all organic compounds.

Front

What is the difference between positive and negative feedback?

Back

Positive feedback amplifies changes in a system, while negative feedback counteracts changes to maintain stability.

Front

What is an ecological tipping point?

Back

An ecological tipping point is a threshold at which a small change can lead to significant and often irreversible effects on an ecosystem.

Front

What is the role of throughputs in living systems?

Back

Throughputs refer to the processes that transform inputs into outputs within a living system.

Front

Can you give an example of negative feedback in biological systems?

Back

An example of negative feedback is the regulation of body temperature, where the body activates mechanisms to cool down when overheated.

Front

What is chemical energy?

Back

Chemical energy is a form of potential energy stored in the bonds of chemical compounds, like the energy stored in food.