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Biology > Characteristics Of Life Notes > Flashcards

Characteristics Of Life Notes Flashcards

1
Q

The scientific term for a living thing is _____

A

Organism

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2
Q

Organism that consists of many cells (humans, dogs, trees, etc)

A

Multicellular

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3
Q

Organism that consists of only a single cell (amoeba, bacteria, parmecium, etc)

A

Unicellular

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4
Q

Cells are highly ____ for certain functions

A

Specialized

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5
Q

Some examples of cells are

A
  • blood cells
  • nerve cells
  • skin cells
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6
Q
  • Type of reproduction where one cell splits into two new cells
  • Only one parent
A

Asexual

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7
Q
  • Type of reproduction where two cells (sperm and egg) combine to form one cell
  • two parents combining DNA
A

Sexual

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8
Q

Organisms have traits determined by a molecule called ____

A

DNA = deoxyribonucleic acid

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9
Q

DNA is also called ____

A

Genetic Code

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10
Q

All organisms being life as ____ cells

A

Single

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11
Q

The type of cell growth and development where cells increase in size

A

Cell Growth

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12
Q

They type of cell growth and development where cells increase in number

A

Cell Division

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13
Q

Individual cells obtain materials through specialized ____

A

Cell membranes

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14
Q

Multicellular organisms obtain materials through specialized ____

A

Cells

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15
Q

____ is the ability to make things change (and power life’s processes).

A

Energy

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16
Q

There are ___ ways to obtain energy

A

Two

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17
Q

The type of organism that makes its own food by photosynthesis

A

Autotroph

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18
Q

The type of organism that eats other organisms

A

Heterotrophs

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19
Q

A ____ is a change in the environment that leads to a response from an organism

A

Stimulus

20
Q

Examples of stimuli include

A
  • weather
  • predators
  • chemicals
21
Q

Organisms respond to stimuli in order to

A
  • avoid danger
  • find a mate
  • avoid toxins
22
Q

The process by which organisms maintain a stable internal environment

A

Homeostasis

23
Q

Homeostasis is the process by which organisms maintain a

A

Stable internal environment

24
Q

An example of homeostasis is

A

Controlling your internal temperature

25
Q

How do humans control their internal temperature in homeostasis?

A
  • shiver when cold
  • sweat when wet
26
Q

Populations of organisms can ____ over time

A

Change

27
Q

Populations ____ to their environment

A

Adapt

28
Q

Populations changing over time and/or adapting to their environment is called

A

Evolution

29
Q

Name the steps of a science investigation in the correct order

A

1) Question
2) Hypothesis
3) Procedure
4) Data Analysis
5) Conclusion

30
Q

Process by which plants take in energy

A

Photosynthesis

31
Q

Provide an example of a stimulus and response

A
  • Stimulus: Raining (bad weather)
  • Response: Going inside to not be impacted by the rain/bad weather
32
Q

Basic Unit of Life

A

Cell

33
Q

Rank levels of organization in living things (small to large)

A
  • Atom
  • Molecule
  • Macromolecule
  • Cell
  • Tissue
  • Organ
  • Organ System
  • Organism
  • Population
  • Community
  • Ecosystem
34
Q

3 examples of cells

A
  • Blood cell
  • Bone Cell
  • Fat cell
  • Nerve cells
35
Q

3 examples of tissues

A
  • Skin tissue (Epithelial)
  • Muscle tissue
  • Nervous tissue
36
Q

3 organs found in humans

A
  • Stomach
  • Heart
  • Lung
37
Q

2 organs found in many plants

A
  • Shoot System
  • Root system
38
Q

Example of an organ system

A
  • Digestive system
39
Q

All members of a species in one area make up a:

A
  • Community
40
Q

All living things in an area

A

Ecosystem

41
Q

What is the independent variable in an experiment:

A

Variable you manipulate/change/vary in an experiment

42
Q

What is the dependent variable in an experiment

A

Variables that depend on the independent variable (change based on how the independent variable changes)

43
Q

What is a Hypothesis

A

Concept or idea you test through experimentation/research

44
Q

What is a constant in an experiment

A

Quantity that does not change in an experiment

45
Q

What are the 8 characteristics of living things

A

1) Homeostasis
2) Response to stimuli
3) Growth and development
4) Reproduction
5) Cellular organization
6) Uses energy (metabolism)
7) Genetic Code (heredity)
8) Evolution (adaptation through evolution)

46
Q

When should you use a line graph?

A
  • track data over time (long or short)
  • track changes over time across multiple groups

OVER TIME

47
Q

When should you use a bar graph?

A
  • To compare information over different groups
  • track change over LARGE time spans

Biology (12 decks)

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