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TITLE 19EDUCATION
PART 2TEXAS EDUCATION AGENCY
CHAPTER 112TEXAS ESSENTIAL KNOWLEDGE AND SKILLS FOR SCIENCE
SUBCHAPTER BMIDDLE SCHOOL
RULE §112.28Grade 8, Adopted 2021

    (C) describe the interactions between ocean currents and air masses that produce tropical cyclones, including typhoons and hurricanes.

  (11) Earth and space. The student knows that natural events and human activity can impact global climate. The student is expected to:

    (A) use scientific evidence to describe how natural events, including volcanic eruptions, meteor impacts, abrupt changes in ocean currents, and the release and absorption of greenhouse gases influence climate;

    (B) use scientific evidence to describe how human activities, including the release of greenhouse gases, deforestation, and urbanization, can influence climate; and

    (C) describe the carbon cycle.

  (12) Organisms and environments. The student understands stability and change in populations and ecosystems. The student is expected to:

    (A) explain how disruptions such as population changes, natural disasters, and human intervention impact the transfer of energy in food webs in ecosystems;

    (B) describe how primary and secondary ecological succession affect populations and species diversity after ecosystems are disrupted by natural events or human activity; and

    (C) describe how biodiversity contributes to the stability and sustainability of an ecosystem and the health of the organisms within the ecosystem.

  (13) Organisms and environments. The student knows how cell functions support the health of an organism and how adaptation and variation relate to survival. The student is expected to:

    (A) identify the function of the cell membrane, cell wall, nucleus, ribosomes, cytoplasm, mitochondria, chloroplasts, and vacuoles in plant or animal cells;

    (B) describe the function of genes within chromosomes in determining inherited traits of offspring; and

    (C) describe how variations of traits within a population lead to structural, behavioral, and physiological adaptations that influence the likelihood of survival and reproductive success of a species over generations.


Source Note: The provisions of this §112.28 adopted to be effective April 26, 2022, 47 TexReg 2136

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