7 Science - Classification and Ecosystems

Classification is used to group things based on their:

• Arrangement

• Differences

• Relationship

• Similarities

All living things share the following characteristics:

• made of cells, do not reproduce, grow

• made of cells, can reproduce, grow

• made of a single cell only, can reproduce, do not grow

• made of a single cell only, can reproduce, grow

The binomial name of an organism is determined by its:

• Class and Family

• Genus and Order

• Genus and Species

• Species and Class

The highest level of classification that biologists use is:

• Class

• Domain

• Genus

• Species

A dichotomous key is used to identify and classify organisms. The key uses statments or questions with _____________ choices at each step.

• 1

• 2

• 3

• 4

Use the key below to identify the organism that has bones and feathers.

• Cat

• Lizard

• Bird

• Earthworm

Identify the CORRECT statement below:

• Vertebrates have backbones and are member of the phylum chordata

• Vertebrates do not have backbones and are member of the phylum chordata

• Invertebrates do not have backbones and are a member of the phylum chordata

• Inverebrates have backbones and are a member of the phylum arthropoda

Plants can be classified by:

• How they reproduce only

• If they have vascular tissue or not, and if they grow on land

• If they have vascular tissue or not, and how they reproduce

• How they reproduce, and if they grow on land

The kingdoms that contain only single-celled organisms are:

• Fungi and Animalia

• Monera and Fungi

• Monera and Protista

• Protista and Fungi

Select the BEST conclusion to the statement. Fungi are:

• Similar to plants, except that they like to live in the dark

• Similar to plants as they do not move around

• Different from plants because they photosynthesise to get energy

• Different from plants because they do not have roots and consume other organisms to get energy