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Science > Bio 20 Unit 1 Test > Flashcards

Bio 20 Unit 1 Test Flashcards

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Biology 101 flashcards
1
Q

What are the characteristics of life?

A
  1. Made of cells

2. Repreoduce (Asexual reproductions and sexual reproduction)

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2
Q

What are the levels of organization? With definition

A
  1. Atoms and Molecules: Make up cells and life
  2. Cells: smallest unit of life capable of carrying out all the functions of living things
  3. Tissue: group of cells that perform a specific function in an organism
  4. Organ: 7 different types of tissues functioning together for a specific purpose
  5. Organ system: several organs working together to perform a function
  6. Population: group of organisms of the same species that live together in a particular location
  7. Community: all populations of different kinds of organisms living in the same place
  8. Ecosystem: includes community of organisms in an area as well as abiotic
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3
Q

Term to describe any living thing

A

Organism

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3
Q

Term to describe any living thing

A

Organism

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4
Q

Give the proper term for similar organisms that can interbreed and produce offspring :

A

Species

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5
Q

What is the proper name for the zone around the surface of the earth that can sustain life?

A

Biosphere

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6
Q

List 3 examples of non- renewable energy sources :

A

Oil , coal , natural gas

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7
Q

Give 2 examples of the problem with endangered species and extinction

A

Populations

Human interference

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8
Q

What are the basic units of life? all life is composed of these

A

Cells

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9
Q

What characteristic uses sunlight?

A

Uses energy

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10
Q

Which of the characteristics of life was started by Darwin?

A

Theory of Evolution

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11
Q

What are the 2 types of reproduction

A

asexual reproduction : 1 parent - identical

Sexual reproduction : 2 parents - unique

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12
Q

What characteristic would the various stages of butterfly growth demonstrate?

A

Growth and development

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13
Q

What are the smallest particles?

A

Atoms and molecules

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14
Q

What level of organization are stomach , liver , kidney , heart in?

A

Organ

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15
Q

What levels of organization would all the geese in wascana in summer be in?

A

Population

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16
Q

What levels of organization would things on your body such as muscle, ligaments, and tendons be in?

A

Tissue

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17
Q

What level of organization would all things in an area excluding abiotic things be??

A

Community

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18
Q

In a microscope , what is the place called where you set and click in the slide?

A

Stage

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19
Q

What is the name of the lens at the top that you look through?

A

Eyepiece lens

20
Q

What is the part of the microscope that has the difference lens on it?

A

Objective lens

21
Q

What is the name of the light dial

A

Diaphragm

22
Q

What are the low, medium and high power lens on a microscope?

A

40x
100x
400x

23
Q

In a proper experiment how many groups should there be?

A

2

24
Q

Which group gets the changed variable in order to study?

A

Experimental group

25
Q

What operation used electricity to separate molecules?

A

Electrophoresis

26
Q

What is a fake pill called?

A

Placebo

27
Q

What is it called when both experiment groups don’t know whats going on?

A

Double blind study

28
Q

What are the 2 main point of the cell theory?

A
  • all living things are composed of cells

- all cells come from pre-existing cells

29
Q

What type of microscope do we use?

A

LM

30
Q

What type of microscope is used to view the surface of microscopes?

A

SEM

Scanning Electron Microscopes

31
Q

Name the part of the cell that controls what enters and leaves cell

A

Cell membrane

32
Q

What is a spinning device used yo separate mixtures?

A

Centrifuge

33
Q

What is the process of making a large anount of cells in a lab?

A

Tissue culture

34
Q

What is a Prokaryotic cell?

A

Cells that do not have a nucleus

Ex- bacteria

35
Q

What is a Eukaryotic cell?

A

Cells that have a nucleus

Ex- plant and animal cells

36
Q

What is a vacuole?

And what kind of cell is it found in?

A

Storage cite in a cell

Both

37
Q

What is a cell membrane?

And what kind of cell is it found in?

A
  • controls what enters and leaves cells

- both

38
Q

What is a nucleus?

And what kind of cell is it found in?

A
  • control centre of cell

- both

39
Q

What is a mitochondria?

And what kind of cell is it found in?

A

Makes energy for cells

Both

40
Q

What are chromosomes?

And what kind of cell is it found in?

A

Genetic info

Both

41
Q

What is cytoplasm?

And what kind of cell is it found in?

A

Liquid in cell

Both

42
Q

What are chloroplasts?

And what kind of cell is it found in?

A
  • photosynthesis

- Plant Cell

43
Q

What is a cell wall?

And what kind of cell is it found in?

A

Structure and support

-Plant Cells

44
Q

Who created the Cell theory?

A

Schleiden and Schwann

45
Q

What is the theory of evolution?

A

Idea that populations change over long periods of time

The characteristics of organisms change to suit their environment

46
Q

What are the 7 characteristics common to all living things?

A
  1. Made of cells
  2. Reproduce
  3. Uses energy
  4. Growth
  5. Have organization of the cells or systems
  6. Respond to the environment
  7. Evolve or change over time
47
Q

What are 5 main area of life in which biology has an affect

A
  1. Food
  2. Clothing
  3. Shelter
  4. Health
  5. Fuels
48
Q

Describe the atoms and Molecules level

A

Make up cells and therefore life

Science (3 decks)

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