test 1 Flashcards

1
Q

adaptation

A

characteristics that help an organism survive and reproduce in its given environment

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2
Q

atom

A

the smallest part of an element that retains the property of that element

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3
Q

autograph

A

organisms that make their own food (producers)

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4
Q

binomial system

A

a way of naming species based on kingdoms

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5
Q

biodiversity

A

the diversity of species and the interactions that sustain them

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6
Q

cell

A

the smallest unit of life. Every living thing has at least one cell

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7
Q

cell theory

A

the cell is the basic unit of life

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8
Q

chromosomes

A

a structure inside the nucleus of the cell that is made of protein and a single molecule of DNA. They carry information to help a cell grow and reproduce

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9
Q

community

A

a collection of populations interacting with each other

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10
Q

conclusion

A

the end of an experiment that includes the validity of the hypothesis based on the experimental evidence

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11
Q

control

A

the variables that stay the same during the experiment

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12
Q

cytoplasm

A

a gel-like fluid inside the plasma membrane where other parts of the cell can operate

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13
Q

deductive reasoning

A

the process of creating a hypothesis about how a certain experiment will come about based on a supported generalization

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14
Q

DNA

A

a type of molecule that contains the hereditary information for life

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15
Q

domain

A

the most general ways organisms can be grouped; 3 major categories

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16
Q

element

A

the substances that form all matter on Earth

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17
Q

energy

A

the ability to do work

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18
Q

eukaryotic

A

a type of cell that has an enclosed membrane and nucleus. Generally larger than prokaryotic cells. Membrane enclosed nucleus

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19
Q

evolution

A

the theory that modern organisms came from preexisting organisms

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20
Q

gene

A

units of heredity that provide the information necessary to control the cell

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20
Q

experiment

A

a procedure to test and prove your hypothesis

21
Q

heterotroph

A

an organism that obtains nutrients by consuming other organisms

22
Q

homeostasis

A

maintaining a stable internal environment

23
Q

hypothesis

A

an educated guess based on prior knowledge on how an experiment will come about

24
inductive reasoning
the process of creating a generalization as a result of concluding observations that support it
25
kingdom
subdivisions of a domain that help classify specific organisms (fungi, plantae, animalia, etc.)
26
molecule
combined atoms held together by chemical bonds (ex: H2O)
27
multicellular
an organism that has multiple cells in it
28
mutation
mistakes within a DNA cell. Part of evolution
29
natural causality
the principle that all events can be traced to natural causes
30
natural selection
the process where organisms use specific traits to help cope with the conditions of the environment
31
nucleus
most important part of the cell. It controls it and holds all DNA information. only in eukaryotic cells
32
nutrient
the substances organisms need for energy/growth/to survive
33
observation
a statement or remark based on your 5 senses
34
organ
a collection of certain tissue that creates an important art of the body
35
organelle
a subcellular structure in the cytoplasm that has specific tasks to perform within the cell
36
organic molecule
Molecules that are primarily made of carbon atoms bonded with other elements and/or other carbon atoms. All living things on earth are composed of organic molecules.
37
organism
a living thing
38
organ system
a group of organs that work together to perform tasks/functions (ex. digestion)
39
photosynthesis
the process of how plants convert sunlight, carbon dioxide, and water into food in the form of glucose and release oxygen
40
plasma membrane
Membrane in the cell that separates the inside of the cell from the outside made of embedded proteins.
41
population
a particular group of species living and interacting with one another
42
prediction
something that you think will happen in the near future with supported data
43
prokaryotic
A type of cell in bacteria and archaea that lacks a nucleus and membrane-bound organelles. Genetic material in cytoplasm.
44
question
a question worded to ask something they don't know (to ask something unknown)
45
scientific method
A method to make a scientific fact starting by making a hypothesis and experimenting to either accept, or reject the hypothesis, and re testing. Consists of multiple operations
46
scientific theory
explains a certain set of facts or idea about a specific situation or similar situation
47
species
a group of similar organisms and individuals who have the ability of reproducing and exchanging genes with one another
48
tissue
a group of cells that have a similar structure and function of a unit
49
unicellular
consisting of one cell
50
variable
an element, feature, or factor that is liable to change