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Understanding the Characteristics of Life: Homeostasis, Adaptation, and Reproduction

This assignment explores the fundamental characteristics of life, including homeostasis, adaptation, reproduction, growth, and organization. Students will engage with concepts such as how organisms maintain stable internal conditions, adapt to environmental factors, and reproduce to ensure the survival of their species. Through creative expressions like cartoons and drawings, students will illustrate their understanding of these biological principles and their significance in the life cycles of both plants and animals.

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Understanding the Characteristics of Life: Homeostasis, Adaptation, and Reproduction

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  1. HARGO Foldable Get three sheets of paper – three different colors.

  2. Top flap, write… Characteristics of Life

  3. Homeostasis – (p 9) organism’s regulation of its internal environment to maintain conditions suitable for survival. Type Stimulus Response Benefit Plant:Maple tree shorter light Leaves drop - conserve H2O /day - avoid freezing Animal : Hummingbirds longer light migrate north - less competition /day for resources. H

  4. Adaptation – (p 9) evolution of a structure, behavior, or internal process that enables an organism to respond to environmental factors and live to produce offspring. Type Adaptive structure advantage for or behavior survival Plant:Venus fly-trap - gets nutrients by - can live in bogs/swamps eating insects that have a high acidic pH Animal :Deer fawn - has white spots - it’s camouflaged while waiting for doe to return. Also lacks smell. A

  5. Reproduction – (p. 7) production of offspring by an organism. Type Strategy Benefit Plant: Dandelion - pollen carried by bees seeds spread - seeds spread by wind further Animal : Mallard (duck) - Males court females, Avoids leaves female to raise attracting young by herself predators EC: # of offspring & survival rate in first year R

  6. Growth – (p.8) increase in the amount of living material and formation of new structures in an organism. Type Size/mass as Size/mass at a seedling or full maturity at birth Plant:Western 400,000 seeds/lb 8-10 feet dia. Redcedar 200 ft. tall Animal :Bison 45-60 lbs 770-2200 lbs 6.5-11.5 ft. long 5-6 ft. @ shoulder G

  7. Organization – (p. 7) orderly structure of cells in an organism. Type Phenotype* distinctive physical features Plant: Rose - flowers are multi-petalled, scented (or family of plants) & colorful, thorns on branches, shrub sized. Animal:Canines - long rostrum, canine teeth, overlapping (or family of animals) molars, 4-legged, built for running, vocal communication. *(p. 258) outward appearance of an organism, regardless of its genes. O

  8. Biology: Characteristics of Life assignmentAssignment date: _________Due: next classSpecifics: Typed, complete sentences, MLA heading, 1.5 spacing, 1 in. margins, New Times Roman, 12 pt font. Suggestion – leave space for drawn cartoons or pictures and paste in the order represented here. • H – Write a sentence or design a cartoon demonstrating your understanding of homeostasis; • A – Write a sentence or design a cartoon demonstrating your understanding of adaptation; • R – How is reproduction related to adaptation? Provide an example of the difference between a species and a hybrid. • G – All life begins as a single cell. How might you relate how you grow to how a cell grows? Find a picture of an animal cell and a plant cell. • O – Find on computer or cut out a picture from a magazine of a plant &an animal. Label 5 distinctive features of each.

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