Test 1: Introduction to Biology 1.1 to 1.13

Finish the sentence: A prairie dog is one type of...

• environment

• habitat

• organism

• abiotic factor

Answer explanation

A prairie dog is a type of organism, specifically a burrowing rodent found in North America. The other options, such as environment and habitat, refer to broader concepts, while abiotic factors are non-living components.

Fill in the blanks: An organism obtains food, water, shelter, and other things it needs to __________, _________ and __________ from its environment.

• soil

• live

• walk

• grow

• reproduce

Answer explanation

An organism needs to obtain food, water, and shelter to live, grow, and reproduce. These are essential processes for survival and continuation of the species.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-4

This is a example of ........

• cell

• organ system

• organ

• tissue

Answer explanation

This is an example of an organ because it refers to a structure composed of different tissues working together to perform specific functions, distinguishing it from cells, tissues, and organ systems.

Tags

NGSS.HS-LS1-2

This is a example of........ 

• organ system

• cells

• organ

• tissue

Answer explanation

This is an example of an organ system, which is a group of organs that work together to perform complex functions in the body, distinguishing it from cells, tissues, and individual organs.

Tags

NGSS.HS-LS1-2

When a baby kitten becomes an adult cat, this is an example of...

• energy metabolism

• growth and development

• response to stimuli

• having cells

Answer explanation

When a baby kitten grows into an adult cat, it exemplifies growth and development, which refers to the changes and maturation that occur in an organism over time.

Tags

NGSS.MS-LS1-5

Which of the following is the correct order of organization in living things from most basic (simple) to most complex?

• a.  Organism, cell, tissue, organ, organ system

• a.  Organ system, organ, tissue, cell, organism

• a.  Cell, tissue, organ, organ system, organism

• a.  Cell, organ, tissue, organ, organism, organ system

Answer explanation

The correct order of organization in living things from simplest to most complex is: cell, tissue, organ, organ system, organism. This reflects how cells combine to form tissues, which then form organs, and so on.

What type of biological molecule is shown? HINT: Made of amino acids.

• carbohydrate

• lipid

• protein

• nucleic acid

Answer explanation

The question specifies a biological molecule made of amino acids, which are the building blocks of proteins. Therefore, the correct answer is protein, as carbohydrates, lipids, and nucleic acids are composed of different types of molecules.

Tags

NGSS.HS-LS1-6

What type of biological molecule is shown?

• carbohydrate

• lipid

• protein

• nucleic acid

Answer explanation

The molecule shown is a lipid, characterized by its hydrophobic nature and structure, which typically includes long hydrocarbon chains or rings. Lipids serve essential roles in energy storage and cell membrane formation.

Tags

NGSS.HS-LS1-6

What type of biological molecule is shown?

• carbohydrate

• lipid

• protein

• nucleic acid

Answer explanation

The molecule shown is a carbohydrate, which is characterized by the presence of carbon, hydrogen, and oxygen in a specific ratio. Carbohydrates serve as a primary energy source and include sugars and starches.

What type of molecule is sucrose?

• disaccharide

• monosaccharide

• .

• .

Answer explanation

Sucrose is a disaccharide, which means it is composed of two monosaccharides: glucose and fructose. This classification distinguishes it from monosaccharides, which are single sugar units.

Tags

NGSS.HS-LS1-6