970x250 - Genome: Unlocking Life
 

The Standards

Disciplinary Core Ideas

Life Science (LS)

Listed below are the Disciplinary Core Ideas (DCI) for Life Science and bullet points for their specific grade band progression.

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LS4: Biological Evolution: Unity and Diversity
 

LS4.D: Biodiversity and Humans

Primary School (K-2)

There are many different kinds of living things in any area, and they exist in different places on land and in water.

Elementary School (3-5)

Populations live in a variety of habitats, and change in those habitats affects the organisms living there.

Middle School (6-8)

Changes in biodiversity can influence humans’ resources, such as food, energy, and medicines, as well as ecosystem services that humans rely on— for example, water purification and recycling.

High School (9-12)

Biodiversity is increased by the formation of new species (speciation) and decreased by the loss of species (extinction).

Humans depend on the living world for the resources and other benefits provided by biodiversity. But human activity is also having adverse impacts on biodiversity through overpopulation, overexploitation, habitat destruction, pollution, introduction of invasive species, and climate change. Thus sustaining biodiversity so that ecosystem functioning and productivity are maintained is essential to supporting and enhancing life on Earth. Sustaining biodiversity also aids humanity by preserving landscapes of recreational or inspirational value.