RMS 6th Grade - Ch 6 Life's Classification & Structure

Which item is NOT needed by ALL living organisms?

• energy

• water

• habitat

• sunlight

Most organisms are:

• unicellular

• multicellular

Which is the smallest level of organization within multicellular organisms?

• cell

• tissue

• organ

• organ system

A(n) ______ converts light energy into usable energy

• autotroph

• habitat

• stimulus

• mithochondria

A(n) ________ must obtain energy from other organisms.

• cytoplasm

• heterotroph

• dichotomous key

• stimulus

An organism that grows on energy released by chemical reactions of inorganic substance is called a(n) _________.

• cytoplasm

• heterotroph

• dichotomous key

• chemoautotroph

A Binomial nomenclature is used:

• for reproduction

• to name organisms

• as a way to get energy

A(n) ________ is a specific environment where an organism lives.

• cytoplasm

• habitat

• dichotomous key

• stimulus

A(n) ______ is a group of organisms.

• autotroph

• taxon

• cytoplasm

• mitochondria

Which taxonomic level contains organisms that can mate with each other and produce offspring that can also reproduce?

• phylum

• family

• genus

• species