Chapter 1- The Study of Life Flashcards

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
Q

Species

A

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
Q

Taxonomy

A

The science of classifying organisms

27
Q

Binomial nomenclature

A

Naming an organism with it genus and species name

28
Q

What are the four criteria for life?

A
  1. Space to grow
  2. Food
  3. Water
  4. Heat