SGM 2: Review Basic Characteristics of Organisms

Front

Prokaryotic cells are generally larger than eukaryotic cells. True or False?

Back

False

Answer explanation

False. Prokaryotic cells are generally smaller than eukaryotic cells. Prokaryotes typically range from 0.1 to 5.0 micrometers, while eukaryotic cells are usually 10 to 100 micrometers in size.

Front

Plants are classified as _____________ because they are organisms that can produce their own food.

Back

autotrophs

Answer explanation

Plants are classified as autotrophs because they can produce their own food through photosynthesis, unlike heterotrophs, which rely on other organisms for nutrition.

Front

When comparing a prokaryotic cell to a eukaryotic cell, an important difference is that the eukaryotic cell -

Back

has its genetic information stored in the nucleus

Answer explanation

The key difference is that eukaryotic cells have a nucleus that stores genetic information, while prokaryotic cells do not. This distinction is fundamental to the complexity and organization of eukaryotic cells.

Front

What would you call an organism made up of many cells?

Back

Multicellular

Answer explanation

An organism made up of many cells is called multicellular. This distinguishes it from unicellular organisms, which consist of a single cell. Therefore, the correct answer is C: Multicellular.

Front

The absence of which cell structure would indicate a cell is prokaryotic?

Back

Nucleus

Answer explanation

Prokaryotic cells lack a nucleus, which is a defining feature distinguishing them from eukaryotic cells. Therefore, the absence of a nucleus indicates that a cell is prokaryotic.

Front

What describes a multicellular organism?

Back

An organism composed of multiple cells that work together

Answer explanation

Choice B correctly describes a multicellular organism as it is made up of multiple cells that collaborate to perform functions, distinguishing it from single-celled organisms.