DOGS REACH definitions

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Growth

All living organism grow There are two kinds of growth Cell division ( increasing the number of cells) Cell enlargement (increasing the size of a cell)

Organization

All living things are organized All structures have functions Molecules cells tissue organs Organ system

DNA

All living things have the ability to pass on their genetic material (DNA) to their offspring.( Some bacteria might have DNA but the are not living)

Homeostasis

All living things maintain a constants internal environment (temperature, water, pH, ect.) _________ is the state of biological balance many response are an effort to reach ______________.

Energy

All living things use energy in metabolism The sum of all chemical processes that occur in an organism.

Stimulus

All organisms respond to stimuli Stimulus: internal or external factor in the environment that cause a response Examples: Temperature, Light, Sound, Hunger) Fear: External internal: Shiver

Reproduce

Living organism can reproduce asexually or sexually Sexual reproduction involves an egg and sperm Asexual reproduction takes the form of budding root propagation or self fertilization.

Adaption

Living things have (traits) that make them well suited for their environment Adaptive traits are passed on to future generations.

Autotroph

Organism that can makes its own food

Heterotroph

Organisms that can't make its own food

Cells

The smallest unit of Life All Living are organized into Living organisms are either Multi cellular or unicellular Cell are specialized and grouped by their functions

Biotic

alive

Abiotic

not alive


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