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Bio 105 > Chapters 1 > Flashcards

Chapters 1 Flashcards

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Biology 101 flashcards
1
Q

Biology

A

The study of life

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2
Q

Common characteristics of life

A

Order, regulation, growth & development, energy utilization, response to environment, reproduction and evolution

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3
Q

Order

A

Complex & ordered organization

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4
Q

Regulation

A

Maintain internal homeostasis when environment changes

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5
Q

Growth and development

A

Based on jeans from generation to generation (information carried by DNA)

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6
Q

Energy utilization

A

Takes in energy and transform it for use

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7
Q

Response to environment

A

Shivering (like Venus fly trap, responds to touch, sensory)

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8
Q

Reproduction

A

Pass on genetic info.reproduce their own kind doesn’t change. Hipo reproduce hipo.

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9
Q

Evolution

A

Reproduction allows change. Evolve in population. Change will

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10
Q

Biosphere

A

All life, or places where life exist. (the earth is the largest level)

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11
Q

Ecosystem

A

Everything living or dead in a region. example: savanna all the animals, water, soil, air

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12
Q

Community

A

All of the organisms like grass, animals, insects. Tide pool

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13
Q

Population

A

One species example zebra

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14
Q

Organism

A

One living thing example one zebra

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15
Q

Organ system

A

Heart and blood vessels

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16
Q

Organ

A

Heart

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17
Q

TIssue

A

Groups of similar cells performing a specific function

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18
Q

Cells

A

The basic unit of life

19
Q

Molecular

A

A cluster of Adams example DNA

20
Q

Adams

A

The smallest unit of matter (element)

21
Q

Ecosystem organism interacts with its environment two main processes

A
  1. Cycling of nutrients: nutrients taken up by plants return to the soil
  2. Flow of energy in sunlight
    Procedures = plants by photosynthesis
    Consumers animals eat plants, decomposers fungi break down organisms back to minerals.
22
Q

DNA

A

All cells use DNA

23
Q

Genes

A

Half of our genes came from each our parents

24
Q

Code for protein

A

Adenine, thymine, cytosine, guanine (ATCG)

25
Q

Persons sex

A

Is determined by father, XX vs XY

26
Q

Taxonomy

A

Field of biology that names and classifies species

27
Q

Life divided into 3 groups (domains)

A 
Bacteria= prokaryotic cell
Archaea= prokaryotic cell
Eukarya= eukaryotic cell
28
Q

Domain Eukarya

Has 4 domains

A

Plantae- multicellular organisms
Fungi-multicellular
Animalia-multicellular
Protista- single cellular, example amoebas

29
Q

Transcription(TRNA) occurs

A

In the nucleus

30
Q

tRNA

A

Amenities acids

31
Q

Charles Darwin

A

The origin of species(2 main points)
1. Decent with modification = based on food and environment species living today descended from ancestral species.

  1. Natural Selection= mechanism for #1 they do to help them survive.
32
Q

Darwin Charles

A

Species can cross breed for once the new species is created they can not go back and breed with the original species due to genetics

33
Q

Overproduction and competition

A

Too many other species compete for food in survival = not all will survive

34
Q

Individual variation

A

No two species are alike

Some have better survival skills, the strong will adapt.

Like turtles, lots are produced boat once hatched from the sea to the ocean crocodiles, birds, and other animals are waiting to eat them.

35
Q

14 species of Finches

A

Their beaks change due to what they need to eat to survive in the different areas. Some even bigger nuts and some eat smaller nuts.

36
Q

unequal reproduction success is natural selection

A

The product of natural selection is adaptation.

Natural selection is the mechanism of evolution.

Best traits are passed to the next generation, adaptation occurs = evolution.

Like the moth color changing to survive to blend in to the environment because of all the dark side so birds couldn’t spot them.

37
Q

Artificial selection

A

You pick it’s not natural.

Breeding dogs.

38
Q

Bacteria

A

Can use antibiotics

39
Q

Virus

A

Cannot use antibiotics because it’s not a bacteria

40
Q

Science

A

To know.

Based on inquiry due to curiosity to understand.

41
Q

Two approaches to science

A

1.discovery science-based on verifiable observations and measurements. Conclusions drawn by inductive reasoning. Summarizes many concurrent observations and measurements.
2. Hypothesis-driven science- consists of series of steps.
Observation-question
Question-hypothesis
Hypothesis-prediction
Prediction-testing
Results- if results don’t match the hypothesis then new hypothesis.

42
Q

With science

A

Take good notes so someone else can follow the procedure step-by-step and get the same results

43
Q

Watson & Crick

A

Discovered DNA.

Bio 105 (10 decks)

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