Texas Essential Knowledge and Skills

Grades 9-11 (Biology)

Subchapter 112.43

Reference Science Concepts The Digital Field Trip to The Wetlands The Digital Field Trip to The Rainforest The Digital Field Trip to The Desert
The student knows:
8. Applications of taxonomy and can identify its limitations.
(A) Collect and classify organisms at several taxonomic levels such as species, phylum, and kingdom using dichotomus keys Use Organisms and Migration for examples (includes taxonomy) Use Organisms for examples Use Organisms for examples
(B) Analyze relationships among organisms and develop a model of a hierarchical classification system…using taxonomic nomenclature Use Organisms and Migration for examples (includes taxonomy) Use Organisms for examples Use Organisms for examples
(C) Identify characteristics of kingdoms including monerans, protists, fungi, plants, and animals Use Organisms and Migration for examples Use Organisms for examples Use Organisms for examples
9. Metabolic processes and energy transfers that occur in living organisms
(B) Compare the energy flow in photosynthesis to the energy flow in cellular respiration. Photosynthesis, Web Energy, Organisms (plants) Botany, Botany Screens  
(D) Analyze the flow of matter and energy through different trophic levels and between organisms and the physical environment Nutrient Cycles, Food Chains, Web Energy, Producers, Consumers, Decomposers, Organisms, Migration, Web Game Rainforest Mechanisms, Dependency Types, Web Game Build-a-Desert
10. That, all levels of nature, living systems are found within other living systems, each with its own boundary limits
(C) Analyze and identify characteristics of plant systems and subsystems Organisms (plants), Plant Adaptations Botany, Botany Screens, Plant Characteristics Plant Adaptations, Organisms (shrubs, trees, perennials, cacti, agave)
11. That organisms maintain homeostasis.
(A) Identify and describe the relationships between internal feedback mechanisms in the maintenance of homeostasis     Homeostasis, Feedback Systems
  (B) Investigate and identify how organisms, including humans, respond to external stimuli Use Organisms and Migration for examples Use Organisms for examples Use Organisms for examples, Adaptations, Feedback Systems
(D) Summarize the role of microorganisms in maintaining and disrupting equilibrium including disease in plants and animals and decay in an ecosystem Organisms (green algae), Decomposers, Web Game Bacteria, Algae, Soils & Decomposition, Productivity  
12. That interdependence and interactions occur within an ecosystem.
(A) Analyze the flow of energy through various cycles including carbon, oxygen, nitrogen, and water cycles Nutrient Cycles, Photosynthesis Water Cycle, Seasonality, Soils & Decomposition, Productivity Link Water Cycle to: Water Availability, High Pressure Zones
(B) Interpret interactions among organisms exhibiting predation, parasitism, commensalism, mutualism Food Chains, Web Game, Organisms, Migration Dependency Types, Web Game, Ant Symbiosis, Niches Build-a-Desert (meat eaters)
(C) Compare variations, tolerances and adaptations of plants and animals in different biomes Organisms, Migration, Plant & Animal Adaptations, Web Game Organisms, Plant & Animal Characteristics, Dependency Types, Web Games Plant & Animal Adaptations, Compare Homeostasis
(D) Identify and illustrate that long-term survival of a species is dependent on a resource base that may be limited Plant & Animal Adaptations, Organisms, Conservation Dependency Types, Organisms, Impact Screens Human Impact, Plant and Animal Adaptations
(E) Investigate and explain the interactions in an ecosystem including food chains, food webs, and food pyramids Food chains, Web Energy, Web Game, Organisms Dependency Types, Ant Symbiosis, Web Game, Organisms, Niches Build-a-Desert
13. The significance of plants in the environment.
(A) Evaluate the significance of structural and physiological adaptations of plants to their environments Organisms (plants), Plant Adaptations Organisms (plants), Botany, Botany Screens Plant Adaptations
(B) Survey and identify methods of reproduction, growth and development of various types of plants Organisms (plants) Organisms (plants), Botany, Botany Screens Plant Adaptations

 
Reference Science Concepts The Digital Frog 2.5
The student knows:
6. The structures and functions of nucleic acids in the mechanisms of genetic
(E) Compare the processes of mitosis and meiosis and their significance to sexual and asexual reproduction Reproductive System: Mitosis, Meiosis
10. At all levels of nature, living systems are found within other living systems, each with its own boundary and limit.
(A) Interpret the functions of systems in organisms including circulatory…and immune systems Use all body system sections, complete with human comparisons
(B) Compare the interrelationships of organ systems to each other and to the body as a whole How Systems Interact, Use all body system sections, complete with human comparisons