Levels of Hierarchy

Which of these correctly displays the levels from LARGEST to SMALLEST?

• molecules, tissues, organs, species

• species, organism, cells, atoms

• atoms, cells, organs, organisms

• species, body system, molecules, cells

What makes cells particularly special?

• They contain a nucleus

• They can be observed with microscopes

• They're the smallest LIVING thing

• They're made of atoms and molecules

Tags

NGSS.MS-LS1-1

Organisms are USUALLY made up of what?

• Multiple cells working together

• Multiple organs working together

• Multiple tissues working together

• Multiple body systems working together

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

What is the smallest level of organization that is still uniquely identifiable?

• species

• organism

• cell

• atom

Which of these is NOT true about tissue?

• Tissue contains many different kinds of cells working together

• Humans have four types of tissue

• Tissue is composed of many similar cells working to do the same task

• Organs are made of tissue

Tags

NGSS.MS-LS1-3

Name the scientific tool that can view atoms and molecules.

• compound microscope

• electron microscope

• stereomicroscope

• refracting telescope

How is an organism different from a species?

• Organisms are individual creatures, but a species is all the creatures of one kind

• Species are individual creatures, but an organism is all the creatures of one kind

• Organisms are composed of populations, but species are not

• Species are collections of different body systems, but organisms are not

What makes an organ different from a body system?

• A body system is one part of a living organism

• An organ is one part of a living organism

• A body system is a collection of organs doing a major job

• An organ is a collection of body systems doing a major job

Which of the following is the MOST COMPLEX level?

• Tissue

• Organelle

• Cell

• Organ

Tags

NGSS.MS-LS1-3

Do ALL organisms contain organs? Explain.

• No because some organisms are eukaryotes.

• No because some organisms are prokaryotes.

• No because some organisms are autotrophs.

• Yes because the definition of organism says "composed of multiple organ systems"