Biology First Semester Final Exam 2024

Front

What is a primary consumer in a food chain?

Back

A primary consumer is an organism that eats producers (plants) in a food chain. In the example food chain, rabbits are the primary consumers.

Front

Where does all the energy in a food chain originate?

Back

All the energy in a food chain originates from the sun.

Front

What is the purpose of mitosis?

Back

The purpose of mitosis is to allow cells to divide for growth, repair, and renewal.

Front

What are proteins made of?

Back

Proteins are macromolecules made up of Carbon, Hydrogen, Oxygen, and Nitrogen.

Front

How is energy released from ATP?

Back

Energy is released from ATP when a phosphate group is removed.

Front

Define autotrophs.

Back

Autotrophs are organisms that produce their own food, typically through photosynthesis, using sunlight.

Front

What is the role of producers in a food chain?

Back

Producers are organisms that create their own food and provide energy for primary consumers.

Front

Explain the difference between a food chain and a food web.

Back

A food chain is a linear sequence of organisms where each is eaten by the next, while a food web is a complex network of interconnected food chains.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Front

What are the four main types of macromolecules?

Back

The four main types of macromolecules are carbohydrates, lipids, proteins, and nucleic acids.