Biology lecture 1 Flashcards

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1
Q

what is biology

A

study of life

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2
Q

what is the organisation of life

A
  • molecule
  • cell
  • tissue
  • organ
  • organ systems
  • individual
  • population
  • community
  • ecosystem
  • biosphere
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3
Q

what is a molecule

A

chemical component of cell

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4
Q

what is a cell

A

smallest unit of life

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5
Q

what is a tissue

A

a group of similar cells that perform the same function

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6
Q

what is an organ

A

a structure with two or more tissues working together to perform a function

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7
Q

what is an organ system

A

at least two organs working together to perform a function

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8
Q

what is an individual

A

a single organism

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9
Q

what is a population

A

all individuals of the same species in an area

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10
Q

what is a community

A

all species in an ecosystem that can interact

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11
Q

what is an ecosystem

A

a community and it‘s physical environment

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12
Q

what is the biosphere

A

part of the earth that supports life

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13
Q

what are the 7 properties of life

A

1) cells and biomolecules (organisms concist of one or more cells)
2) energy use and metabolism
3) response to environmental change
4) regulation and homeostasis
5) growth and development
6) reproduction
7) biological evolution

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