Front

What are the main elements that compose all living organisms?

Back

Oxygen, Carbon, Hydrogen, Nitrogen.

Front

Is it true that living organisms are mostly composed of Carbon?

Back

False.

Front

What gas does photosynthesis absorb?

Back

CO₂ (Carbon Dioxide).

Front

After nitrogen is fixed by bacteria, which organisms can use it?

Back

Plants.

Front

Who are the primary producers that utilize nitrogen in the soil?

Back

Producers.

Front

What is the phosphorus cycle?

Back

The process by which phosphorus moves through the environment, including soil, water, and living organisms.

Front

Why is phosphorus important for living organisms?

Back

It is a key component of DNA, RNA, and ATP, which are essential for life.

Front

How do plants obtain phosphorus?

Back

From the soil, where it is often found in the form of phosphate ions.

Front

What role do decomposers play in the phosphorus cycle?

Back

They break down organic matter, releasing phosphorus back into the soil.

Front

What is the difference between organic and inorganic phosphorus?

Back

Organic phosphorus is found in living organisms, while inorganic phosphorus is found in minerals and soil.