2023 Biology 1st Semester Final Exam Review

Front

How do consumers obtain their carbon from the environment?

Back

From eating food.

Front

What does it mean for an ecosystem to be in homeostasis?

Back

It is in a state of balance and stability.

Front

What is the pH range for something that is basic?

Back

8-14.

Front

If grass has 100 kcal of energy, how much energy is passed on to the grasshopper?

Back

10 kcal.

Front

Which macromolecule is made up of monosaccharides?

Back

Carbohydrates.

Front

What is the primary function of carbohydrates in living organisms?

Back

To provide energy.

Front

What are the building blocks of proteins?

Back

Amino acids.

Front

What is the role of decomposers in an ecosystem?

Back

To break down dead organic matter and recycle nutrients.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms, while a food web is a complex network of interconnected food chains.

Front

What is photosynthesis?

Back

The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.