Chapter 1- The Study of Life Flashcards

(28 cards)

1
Q

Metabolism

A

How much you can eat without getting fat // sum total of all processes in an organism that convert energy & matter from outside sources & use that energy & matter to sustain the organisms life functions

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2
Q

Anabolism

A

Total of all processes in an organism which use energy to make structures necessary for life

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3
Q

Catabolism

A

All the processes in an organism that break down chemicals to make energy

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4
Q

Photosynthesis

A

Plants that get energy from sunlight to convert to food

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5
Q

Herbivores

A

Organisms that only eat plants

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6
Q

Carnivores

A

Organism that only eat meat

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7
Q

Omnivores

A

Organisms that eat both plants & meat

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8
Q

Producers

A

Organisms that produce their own food

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9
Q

Consumers

A

Organisms that eat living producers &/or other consumers for food

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10
Q

Decomposers

A

Organisms that break down the dead remains of other organisms

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11
Q

Autotrophs

A

Organisms that make their own food

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12
Q

Heterotrophs

A

Organisms that depend on other organisms for food

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13
Q

Receptors

A

Special structures that allow living organisms to sense the conditions of their internal/external environment

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14
Q

Asexual Reproduction

A

Kids w/ yourself

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15
Q

Sexual reproduction

A

Sex w/ others

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16
Q

Inheritance

A

Genes/ characteristics you get from your parents

17
Q

Mutation

A

Abrupt changes in DNA compared to parents

18
Q

Hypothesis

A

An educated guess that attempts to explain an observation of answer a question

19
Q

Theory

A

A hypothesis that has been tested with a significant amount of data

20
Q

Scientific law

A

A theory that has been tested by and is consistent with generations of data

21
Q

Microorganism

A

Living creatures that are too small to see with the naked eye

22
Q

Abiogenesis

A

The idea that long ago very simple life forms spontaneously appeared through chemical reactions

23
Q

Prokaryotic cell

A

A cell that has no distinct membrane bound organelles

24
Q

Eukaryotic cell

A

A cell with distinct membrane bound organelles

25
Species
A unit of one or more populations of individuals that can reproduce under normal conditions, produce fertile offspring, and are reproductively isolated from other such units
26
Taxonomy
The science of classifying organisms
27
Binomial nomenclature
Naming an organism with it genus and species name
28
What are the four criteria for life?
1. Space to grow 2. Food 3. Water 4. Heat