Flashcards in 1.1 notes Deck (29)
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1
Biology is..
The study of life
2
Biologists..
make discoveries and seek explanations performing laboratory field investigations
3
Biologists study the diversity of..
Life (Jane Goodall studied chimpanzees in their natural habitat)
4
Biologists research...
diseases(Mary-Claire King studied chimpanzee genetics and found humans are 99% identical to chimpanzees)
5
Biologists develop
technologies(Dr.Charles Drew did research that led to storage blood for transfusions)
6
Biologists improve..
Agriculture(Joanne Chory helped agriculturists to increase food produced from cops)
7
Biologists preserve...
The environment(Lee Anne Martinez developed waterless composting toilets for people in Africa to use composted waste to improve soil for agricultural use.)
8
Characteristics shared by all living organisms include:
Made of 1 or more cells, displays organization, grows and develops, reproduces, responds to stimuli, requires energy, maintains homeostasis. adaptions evolve over time.
9
Cells are..
the basic unit of structure and function in living things.
10
Cells can vary in size, but
the basic structure of cells is the same in all organisms, some are more complex.
11
Living things are..
arranged in an orderly way
12
Examples of orderly living things:
Paramecium is unicellular, yet is a collection of organized structures that carry on life functions. Multicellular organisms have specialized cells organized into groups that work together.
13
Smallest to largest body systems..
tissues, organs. organ system
14
Most organisms begin as..
one cell
15
Growth:
the addition of mass to an organism, formation of new cells, and new structure.
16
Development:
process of natural changes that take place during the life of an organism
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Reproduction:
Process by which organisms make more of their own kind
18
Reproduction is not essential...
for individual organisms.
19
For a species to continue to exist,
members of that species must reproduce
20
Species:
group of organisms that can breed with one another and produce fertile offspring
21
Organisms external environment includes:
air, water, soil, rocks
22
Organisms internal environment is..
all things inside it
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Stimulus:
part of environment that causes a reaction
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Response:
reaction to stimulus
25
All things living use energy for
life processes
26
How energy flows:
sun-plants-plant eaters-meat eaters
27
Homeostasis:
Maintaining constant internal conditions despite environmental changes
28
Examples of homeostasis:
temperature, disease, sickness
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