charactistics of life unit with vocab

8/10/2019 Charactistics of Life Unit With Vocab

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Dude, Am I Alive?

Characteristics of Life Unit


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Warm-up

You are an astronaut and ona mission to mars. Upon

your arrival you find these

strange, small, and round

objects. They remind you of

blueberries on our planet.

On a piece of lined paper,

answer the following

questions:

How could you determine if

these objects are living?

How you do you determine

life?


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Characteristics of Life

Vocabulary


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VocabularyCell-Smallest unit that can perform all life processes

Reproduction-Process by which living things produce

new organisms like themselves.

Sexual Reproduction-Reproduction needing two parents

Asexual Reproduction-Reproduction needing only oneparent.

Stimulus-A change in an organism's surroundings that

causes an organism to react. They include changes in

temperature, light, sound, and other factors.

Metabolize- to change (food) into a form that can be

used by your body : to process and use (substances

brought into your body) by metabolism


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Vocabulary

Response- An action or change in behavior

Development-The process of change that occurs during an

organism's life to produce a more complex organism.

Evolve- to change or develop slowly often into a better, more

complex, or more advanced state : to develop by a process ofevolution

Heredity- the passing of traits to offspring from its parents.

Homeostasis- The maintenance of a constant internal state in a

changing environment.

Organic Molecules - are those that have carbon

atoms. (carbohydrates, proteins, fats, DNA, etc.)


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Characteristics of Life

1. Are made of Cells

2. Grow and Develop

3. Reproduce

4. Obtain and use energy5. Respond to their

environment

6. Made up of organic

molecules7. Evolve

8. Maintain Homeostasis


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Things are made one or more cellsSmall self-containedunits

Barrier separates it fromthe surrounding area

Collection of living matterthat performs all

functions of lifeMany different types ofcells


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Things are made one or more cellsUnicellularOrganisms

that have only one cell.

MulticellularOrganisms

consisting of more than

one cell.


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Things grow and developA series of stages of growth

Development

Get more complex over timeAge

Death


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Living things ReproduceReproduction is necessary if

the group of organisms is to

survive.

Living things reproduce.

Each individual, given the

right circumstances, has the

potential to produce a new

individual that resembles itsparent.

Evolutionary

consequences!!!!

Survival of the Fittest


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Living things ReproduceSexual Reproduction

Requires two cells from

different individuals to produce

the offspring

Asexual Reproduction

Requires only one individual

Budding Fusion

Splitting


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Living Things Obtain and Use Energy

Living thingsmetabolize

, that is, theytake in raw materials and convert

them into energy and wastes.

Nutrition

Digestion

Absorption

Excretion/Secretion

Example:

Animals convert glucose and oxygeninto energy and waste products (water

and carbon dioxide) through the

process of respiration.


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Living Things Respond to their EnvironmentOrganisms react to

different stimuli

Animal running awayfrom danger

Plant orienting towards

the sun

GoosebumpsIrritability-

Ability to react to stimuli

HomeostasisFeeling

Alright


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Living things are made of organic molecules.

Organic molecules

include proteins,

lipids, carbohydrates(starches and

sugars),

Nucleic acids (likeDNA and RNA).


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Living Things Evolve

Over many generations the traits ofthe species will change by natural

selection to better fit the current

environmental conditions.

In other words, living things adapt

to their environment.

All living things inherit traits from

their parents through some type of

genetic material-Heredity


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Living things maintain homeostasis.

That means that living thingscan maintain their internal

environment relative to

changes in the external

environment.

Our bodies maintain a

constant body temperature

Sweating to cool our bodies

down

Shivering to warm our bodiesup when necessary.

charactistics of life unit with vocab

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