Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology > Semester 1 Test > Flashcards

Semester 1 Test Flashcards

1
Q

What’s the difference between unicellular and multicellular.

A

Uni- One

Multi- More than one.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Describe the biosphere.

A

Anywhere life is found.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is ethics?

A

What you believe is right or wrong.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How are technology and science different?

A

Science is only natural.

Technology is the rest.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How are theories and scientific laws different?

A

Theories have exceptions.

Laws do not.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Define data.

A

Information

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Define biology.

A

The study of life.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the 8 characteristics of life?

A
  1. Based on universal genetic code.
  2. Grow and develop.
  3. Reproduce.
  4. Energy
  5. Evolve.
  6. Made of cells.
  7. Respond to the environment.
  8. Homeostasis.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Define Science

A

To know.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

List the steps of the scientific method.

A 
Observing and analyzing data. 
Inferring and forming a hypothesis.
Design a controlled experiment.
Collect and analyze data. 
Drawing a conclusion.
Repeat.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Define Observation

A

Using your five senses to collect data.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Define Hypothesis

A

Testable educated guess.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What makes the natural world, natural?

A

Humans haven’t messed it up.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What’s the one main goal of science?

A

To know everything.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How’s the only way scientists believe something?

A

If there is evidence to prove it.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Describe Homeostasis

A

Stable internal balance.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Define Cell

A

The basic unit of life.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Explain why it’s important to follow safety lab rules.

Give two examples of how it would be bad not to follow rules.

A

~

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Why should people use the same units?

A

So people do not get confused.

All on the same page.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Explain two ways you have used the scientific method in your life.

A

~

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Describe a Microscope

A

A toll used to see far away objects closer.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Define Chemical Reaction

A

A process that changes the makeup.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Define Enzyme

A

Protein that acts as a biological catalyst.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Define Atom

A

The basic unit of matter.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Give the charge and location of each in an atom.

A

Electrons- negative, outside the nucleus.
Proton- positive, inside the nucleus.
Neutron- neutral, in the nucleus.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Define Matter

A

It has mass and volume.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Define Volume

A

Takes up space.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Define Mass

A

The measure of matter.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What is the difference between compounds and elements?

A

Element is one.

The compound is two or more elements chemically combined.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Describe a Mixture

A

Two or more substances physically combined.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Describe the pH Scale

A

Measures how acidic or alkaline a substance is.
Acidic: 0-6.9
Neutral: 7
Basic: 7.1-14

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

What is the element of life?

A

Carbon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What carbohydrates must you have in order to make energy?

A

Glucose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

What are the two types of nucleic acids?

A

DNA and RNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What goes hand in hand with structure?

A

Function

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Define Ion

A

Charged atom.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Explain two-way atoms, elements, compounds, and/or mixtures that affect your everyday life.

A

~

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Describe a Desert.

A

Less than 25cm of precipitation a year.

It has a vast difference between day and night temperatures.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Describe a Temperate Grassland

A

It has 4 distinct seasons.

Mostly farmland.

40
Q

List the levels of organization for ecology.

A

Species, Population, Community, Ecosystem, Biome, and Biosphere.

41
Q

What is the ultimate source of energy?

A

The sun.

42
Q

Describe Photosynthesis

A

The chemical process in which use energy from the sun to convert water and Co2 into oxygen and carbohydrates.

43
Q

What is the difference between heterotrophs and autotrophs?

A

Heterotroughs: Go out and get their food.
Autotroughs: Make their own food.

44
Q

What is the difference between climate and weather?

A

Weather: Conditions of Earth’s atmosphere at a given time and place.
Climate: Conditions of Earth’s atmosphere over a period of time.

45
Q

Define Nutrient

A

Anything needed for life.

46
Q

Example of a legume.

A

Soybean

47
Q

What is the difference between primary and secondary succession?

A

Primary: Starts with bare rock.
Secondary: Starts with soil.

48
Q

Describe the types of symbiosis.

A

Parasitism: One benefits while the other is harmed.
Commensalism: One benefits while the other is not affected.
Mutualism: Both benefit.

49
Q

Describe Decomposer, Herbivore, Omnivore, Detrivore, and Carnivore.

A 
Decomposer: Decompose their food.
Herbivore: Eat plants.
Omnivore: Eats both plants and meat.
Detrivore: Eat dead decaying organisms.
Carnivore: Eats meat.
50
Q

Example of a food chain.

A

grass>rabbit>hawk

51
Q

Example of a food web.

A

~

52
Q

What is the difference between biotic and abiotic?

A

Biotic: Contains carbon.
Abiotic: It does not contain carbon.

53
Q

Why can’t two species of animals occupy the same niche?

A

There will not be enough resources.

54
Q

What is competition?

A

Fighting for resources.

55
Q

What’s the difference between predator and prey?

A

Predator: Hunters
Prey: Hunted

56
Q

Explain how every animal affects other animals.

Explain how nonliving factors affect animals.

A

~

57
Q

Define Weathering

A

Breakdown of rock and minerals in the soil.

58
Q

Explain why Asian beetles have not been good for our area.

A

~

59
Q

Define Erosion

A

Moving of soil sediments.

60
Q

Define Biodiversity

A

A number of different species in an area.

61
Q

Explain why DDT was bad.

A

~

62
Q

Define Species

A

A group of organisms that are able to reproduce.

63
Q

Define Pollutant

A

Harmful material.

64
Q

Describe Smog

A

A chemical mixture that creates a gray/brown haze in the atmosphere.

65
Q

Define Carrying Capacity

A

The maximum amount of species in an area.

66
Q

What is the difference between emigration and immigration?

A

E: Moving out.
I: Moving in.

67
Q

Define Disease

A

Takes an organism out of homeostasis.

68
Q

Why is ozone important?

A

Protects us from UV radiation.

Made of Ozone.

69
Q

Describe Global Warming

A

The unnatural heating of Earth’s biosphere.

70
Q

What is the difference between renewable and nonrenewable resources?

A

R: Can get back in a lifetime.
NR: Cannot get back in a lifetime.

71
Q

Define Agriculture

A

Growing organisms for food or profit.

72
Q

Define Population

A

A group of organisms in a given place at a given time.

73
Q

Give at least two examples of why studying populations is important to humans and explain.

A

~

74
Q

Describe Equilibrium

A

The concentration is the same on the inside and the outside.

75
Q

Describe the Nucleus of a Cell

A

Control center.

It contains genetic material.

76
Q

Define Organelle

A

Little organ.

77
Q

What is the function of the mitochondria?

A

The powerhouse of the cell.

Produces ATP.

78
Q

What are ribosomes for?

A

Produce protein.

79
Q

What is the difference between chromatin and chromosomes?

A

Chromatin: All over.
Chromosomes: Have an order.

80
Q

What is the difference between flagella and cilia?

A

Flagella: Longer, only two.
Cilla: Smaller, more abundant.

81
Q

Describe the Cell Membrane

A

Every cell contains it.

82
Q

Describe Cell Wall

A

A protective layer, used for support and protection.

83
Q

What are the five levels of organization?

A

cell > tissue > organ > organ system > organism

84
Q

Define Diffusion

A

Moving from high to low concentration without using energy.

85
Q

Define Organ

A

Group of tissues put together that perform a certain job.

86
Q

Define Tissue

A

Group of cells put together that has a certain job.

87
Q

Define Osmosis

A

Diffusion of water.

88
Q

Define Organ System

A

A group of organs put together to perform a certain job.

89
Q

What is the difference between endocytosis and exocytosis?

A

Exo: Material leaving the cell.
Endo: Material entering the cell.

90
Q

Define an Organism

A

A living thing.

91
Q

What color is chlorophyll?

A

Green

92
Q

Explain how cells and something else from chapter 7 applies to our lives.

A

~

93
Q

Define Force

A

Push or pull.

94
Q

Define Work

A

Force moving an object.

95
Q

What is protein synthesis?

A

Making proteins.

96
Q

What are pigments?

A

Light absorbing molecules.

97
Q

Explain why photosynthesis is important to all organisms.

A

~

Biology (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions