LSD Unit:   3d       Michigan Curriculum Framework (2000)       "Using" Science Benchmarks

III.2.e.2


LSD Units
 
Kc
1c
2d
3d
4c

Compare and contrast (K-2) or classify (3-5) familiar organisms on the basis of observable physical characteristics.
Key concepts: Plant and animal parts - backbone, skin, shell, limbs, roots, leaves, stems, flowers, feathers, scales.
Real-world contexts: Animals that look similar - snakes, worms, millipedes; flowering and nonflowering plants; pine tree, oak tree, rose, algae.

III.2.e.5


LSD Units
 
1c
3d
4c

Explain functions of selected seed plant parts.
Key concepts: Plant parts - roots, stems, leaves, flowers, fruits, seeds.
Real-world contexts: Common edible plant parts, such as bean, cauliflower, carrot, apple, tomato, spinach. (See LE-III.4 e.2 about functions of selected animal body parts.)

III.5.e.1


LSD Units
 
3d
4d

Identify familiar organisms as part of a food chain or food web and describe their feeding relationships within the web.
Key concepts: Producer, consumer, predator, prey, decomposer, habitat, community.
Real-world contexts: Food chains and food webs involving organisms, such as rabbits, birds, snakes, grasshoppers, plants.

III.5.e.2


LSD Units
 
Kc
1c
3d
4c

Describe the basic requirements for all living things to maintain their existence.
Key concepts: Needs of life - food, habitat, water, shelter, air, light, minerals. See LO-III.2 e.4.
Real-world contexts: Selected ecosystems, such as an aquarium, rotting log, terrarium, backyard, local pond or wetland, wood lot.

III.5.e.4


LSD Units
 
Kb Subsidiary
3a
3d
4d

Describe positive and negative effects of humans on the environment.
Key concepts: Human effects on the environment - garbage, habitat destruction, land management, renewable and non-renewable resources.
Real-world contexts: Household wastes, school wastes, waste water treatment, habitat destruction due to community growth, reforestation projects, establishing parks or other green spaces, recycling.