1. 1. basic unit is the cell 2. reproduce 3. have dna 4. grow & develop 5. obtain & use...
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1. Basic unit is the cell2. Reproduce3. Have DNA4. Grow & develop5. Obtain & use energy6. Respond to their
environment7. Maintain homeostasis8. AS A GROUP, living
things change over time (evolve)
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Cells are the smallest living unit of organisms.Cells are complex and highly organized.
Organisms may be composed of a single cell (like bacteria) or many cells (like plants, animals, and fungi).
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Sexual Reproduction Involves 2 parents Egg fertilized by sperm to make a ZYGOTE Offspring DIFFERENT from parents
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Asexual reproduction
Involves a single organism or cell
Cell divides Offspring
IDENTICAL to parent
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DNA (deoxyribose nucleic acid) carries the genetic code for all organismsAll organisms contain DNA
DNA codes for the proteins that make up cells & do all the work
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Organisms grow by producing more cells & by cell enlargementOrganisms develop as they mature into an adult organism
Monarch to chrysalis
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Autotrophs can make their own food
Heterotrophs can NOT make their own food
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These cyanobacteria stromatolites are in shark bay, Australia. They are halophiles!
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Organisms respond to temperature, water, food supplies, etc. in order to survive & reproduce
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Keeping the internal environment of the cell or organism within the ranges required for lifeStable internal conditions of pH, temperature, water balance, etc.
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Groups of organisms (not individuals) change over time in order to survive within changing environments.Fossil records show changes in groups of organisms
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Atoms Molecules Organelles Cells – life
starts here Tissues Organs Organ System Organism Population Community Ecosystem biosphere
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Boston Dynamics
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