Review

Humans are in which domain?

• Archae

• Eubacteria

• Eukarya

• Cyber

According to the cell theory,

• all living things are made of cells

• all cells come from other cells

• cells are the basic unit of all living things

• all of the above

Why do scientists classify organisms?

• to give themselves a job

• to better explain the Periodic Table of Elements

• to create new species

• to make studying them easier

Eukaryotes

• can be unicellular or multicellular

• are less complex than prokaryotic cells

• are smaller than prokaryotic cells

• are the most abundant organisms on Earth

What is the most basic difference between autotrophs and heterotrophs?

• Heterotrophs respond to their surroundings, while autotrophs do not.
• Heterotrophs remain in one place, while autotrophs move around.
• Heterotrophs get nutrition by eating, while autotrophs make their own food.
• Heterotrophs excrete waste products, while autotrophs do not.

The characteristics of a particular organism are listed below.

• Is multicellular
• Is a consumer
• Has cells with nuclei
• Reproduces sexually
• Is mobile
• Digests foods internally
 
In which kingdom should this organism be classified?

• Animalia
• Fungi
• Archaea
• Plantae

Which type of reproduction results in offspring that are identical to the parent?

• Sexual

• Asexual

• Neither

• Both

Which results in offspring that are genetically unique and display a combination of traits from each parent?

• Sexual

• Asexual

• Neither

• Both

Basic unit of life

• Cell
• Tissue
• Organ
• Organ System

Multicellular Organisms

• Made of 1 cell
• Made of more than 1 cell