Q1 Review

Front

What is an inference?

Back

An inference is a conclusion drawn from evidence or reasoning rather than from explicit statements. For example, saying 'The pond appears to have a healthy ecosystem based on the number of insects' is an inference.

Front

What are observations?

Back

Observations are direct statements based on what can be seen, heard, or measured. For example, 'The water is murky and brown in color' is an observation.

Front

What properties of water contribute to surface tension?

Back

The cohesive and adhesive properties of water allow for surface tension, enabling it to form droplets and allowing small objects to float.

Front

What are macromolecules?

Back

Macromolecules are large, complex molecules that are essential for life, including carbohydrates, proteins, lipids, and nucleic acids.

Front

Which macromolecule is primarily responsible for providing energy to the body?

Back

Carbohydrates are the primary source of energy for the body.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living components of an ecosystem (like plants and animals), while abiotic factors are non-living components (like rocks and water).

Front

What are the three main components of a nucleic acid monomer?

Back

A nucleic acid monomer consists of a phosphate group, a nitrogenous base, and a sugar.

Front

What is a protein?

Back

Proteins are macromolecules made up of amino acids that perform various functions in the body, including structural support, transport, and catalyzing biochemical reactions.

Front

What is the role of lipids in the body?

Back

Lipids serve as long-term energy storage, make up cell membranes, and act as signaling molecules.

Front

What is the function of carbohydrates?

Back

Carbohydrates provide energy to the body and are also involved in cell structure and signaling.