Year 7 Science: Biodiversity and Classification

Questions and Answers

What is the primary purpose of classification in biology?

To permanently assign all organisms a name

To organise and understand biodiversity (correct)

To ensure all organisms are kept in captivity

To designate the geographical distribution of organisms

In the hierarchical system of classification, which level comes immediately after 'phylum'?

Family

Order

Genus

Class (correct)

Which of the following classifications would include the greatest variety of organisms?

Species

Genus

Kingdom (correct)

Family

Which scientific convention is used for naming species?

<p>Genus and species, italicized</p> Signup and view all the answers

When using a classification key to identify an organism, what is the first step?

<p>Observe distinguishing features</p> Signup and view all the answers

Study Notes

Biodiversity and Classification

Biodiversity includes the variety of life forms and differences within and between groups of organisms.
Organisms can be classified based on similarities and differences in features, aiding in the organization of biological diversity.

Classification Hierarchy

Classification systems are hierarchical and include levels:
- Kingdom
- Phylum
- Class
- Order
- Family
- Genus
- Species
Each level of classification groups organisms with shared characteristics, making identification easier.

Scientific Naming Conventions

Scientific names follow a binomial nomenclature system, consisting of genus and species names.
Genus is capitalized, while species is in lowercase, both italicized (e.g., Homo sapiens).

Identifying Organisms

Keys can be used to identify organisms found in local habitats.
These identification keys often provide a series of choices based on observable traits.
Using these keys facilitates the understanding of classification and biodiversity in the local ecosystem.

Bloom's Taxonomy and Questioning

Questions focusing on knowledge recall may ask about classification levels or scientific naming.
Understanding questions might involve explaining why classification is essential for biodiversity.
Application questions could include using classification keys to identify unknown organisms.
Analysis questions might require comparing different organisms and discussing their classifications based on key features.

Description

Test your knowledge on biodiversity and classification in Year 7 Science. This quiz focuses on the differences within and between groups of organisms, the importance of classification systems, and scientific conventions for naming species. Prepare to identify organisms using hierarchical systems and classification keys.