Digital Frog International educational software &
Texas Essential Knowledge and Skills for Science

(a) Introduction.

4. (E) Organisms and environments. Students will gain an understanding of the broadest taxonomic classifications of organisms and how characteristics determine their classification. The other major topics developed in this strand include the interdependence between organisms and their environments and the levels of organization within an ecosystem.

Refer to Organism screens; Food Web screens

Refer to Organism screens; Dependency Web screens

Refer to Organism screens; Desert Study screens: Build-A- Desert

(b) Knowledge and skills.

10. (B) classify rocks as metamorphic, igneous, sedimentary by the process of their formation

Rocks and Minerals

12. (A) understand that all organisms are composed of one or more cells;

Cell Structure & Function

12. (B) recognize that the presence of a nucleus determines whether a cell is prokaryotic or eukaryotic;

Cell Structure & Function

12. (C) recognize that the broadest taxonomic classification of living organisms is divided into currently recognized Domains;

Refer to Organism screens

Refer to Organism screens

Refer to Organism screens

12. (D) identify the basic characteristics of organisms, including prokaryotic or eukaryotic, unicellular or multicellular, autotrophic or heterotrophic, and mode of reproduction, that further classify them in the currently recognized Kingdoms;

Refer to Organism screens

Refer to Organism screens

Refer to Organism screens

Cell Structure & Function

12. (E) describe biotic and abiotic parts of an ecosystem in which organisms interact; and

Refer to Food Web

Refer to Dependency Web

Build-A- Desert

12. (F) diagram the levels of organization within an ecosystem, including organism, population, community, and ecosystem.

Refer to Food Web

Refer to Dependency Web

Refer to Build-A- Desert