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Biology 1024.90 > Chapter 1 > Flashcards

Chapter 1 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What are the six things all items need to be considered living?

A

*organized
*acquire materials and energy
*are homeostatic
*respond to stimuli
*reproduce and have the potential for growth
*have an evolutionary history

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2
Q

Atoms join together to form what

A

Molecules

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3
Q

What is a cell?

A

smallest structural and functional unit of an organism

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4
Q

What is tissue?

A

group of similar cells that perform a particular function

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5
Q

List the levels of Biological Organization in order
Species, Population, Atom, Cell, Tissue, Biosphere, Organ, Community, Organ systems, Ecosystem, Organism

A

Atom, Molecule, Cell, Tissue, Organ, Organ systems, Organism, Species, Population, Community, Ecosystem, Biosphere

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6
Q

Ecosystem

A

Community of populations interacting with physical environment

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7
Q

Biosphere

A

All of the earths ecosystems

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8
Q

Energy

A

the capacity to do work

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9
Q

Metabolism

A

the sum of all the chemical reactions that occur within a cell or organism

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10
Q

what is the ultimate source of the energy for life on Earth is what?

A

the Sun

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11
Q

How do plants, algae and some bacteria acquire energy?

A

Photosynthesis

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12
Q

Homeostasis

A

a constant internal environment

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13
Q

Homeostasis would be impossible without what

A

responding to stimuli, internal and external

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14
Q

Growth

A

increase of size and number of cells

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15
Q

Development

A

all changes that occur from fertilization until death

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16
Q

what is the genetic information of all life

A

DNA

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17
Q

genes

A

short segments that specify traits

18
Q

mutations

A

variations in genes

19
Q

evolution

A

how a population changes over time

20
Q

natural selection

A

the process by which evolution occurs

21
Q

adaptation

A

overtime population has more individuals with this advantageous variation

22
Q

What are the three domains of life

A

Bacteria, Archaea, Eukarya

23
Q

what are the four kingdoms of Eukarya

A

Plants, Fungi, Animals, Protists

24
Q

Invertebrates

A

lack of internal support structure
*worms, insects

25
Q

Vertebrates

A

have a nerve cord protected by a vertebral column
*fish, reptiles, birds

26
Q

mammals

A

vertebrates with hair or fur and MAMMARY GLANDS
*Humans, raccoons, seals

27
Q

culture

A

activities and items passed down from one generation to the next *beliefs, values, skills

28
Q

Hypothesis

A

possible explanation for the observation of the natural event

29
Q

Inductive reasoning

A

when someone uses creative thinking to combine facts into a cohesive whole

30
Q

Deductive reasoning

A

“if, then” to test hypothesis

31
Q

what is an example of a model organism

A

mice

32
Q

what is Statistical significance

A

the probability that the results are due to chance or some other experimental variable

33
Q

Scientific Theory

A

accepted explanations for how the world works

34
Q

what is it called when an idea is widely accepted by the majority of scientists?

A

Law or Principle
*ex: Evolution

35
Q

what is the name of the group that does not receive the medication/variable

A

Control group

36
Q

Double Blind Study

A

neither the doctors or the patients know who are in what groups

37
Q

what sources are the most reliable when looking for scientific information?

A

.edu .gov .org

38
Q

what is the difference between science and technology?

A

science- gathering knowledge of our world and technology is applying that knowledge to our benefit

39
Q

What is the definition of Science

A

a systematic way of acquiring knowledge about the natural world

40
Q

Technology

A

the application of the scientific knowledge to the interests of humans

41
Q

What is Biodiversity

A

the total number and relative abundance of species, the variability of their genes, and the different ecosystems in which they live

42
Q

Extinction

A

the death of a species

Biology 1024.90 (3 decks)

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