Study of life Flashcards

(50 cards)

1
Q

What are common characteristics shared by all living things?

A

Growth and development
Regulation
Reproduction
Responsiveness

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2
Q

Metabolism

A

Sum of all reactions that occur within the body

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3
Q

Anabolism

A

Small molecules join to form larger molecules

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4
Q

Catabolism

A

Large molecules broken down into smaller molecules

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5
Q

Energy

A

The capacity to do work.

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6
Q

How do plants get energy?

A

They produce it.

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7
Q

How do animals get energy?

A

They consume it by eating plants or other animals

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8
Q

Autotrophs or producers

A

Make their own food

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9
Q

Heterotrophs or consumers

A

Depend on food energy in autotrophs

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10
Q

Decomposers

A

Heterotrophs that break down decaying material for energy

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11
Q

Growth

A

Increase in mass of an organism

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12
Q

Development

A

Increased specialization

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13
Q

Movement

A

Can be for an organism

Can be for an individual cell

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14
Q

Responsiveness

A

Ability to sense and react to stimuli

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15
Q

Stimuli

A

Change in the environment

In response, cells adjust to try and maintain a stable environment

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16
Q

Homeostasis

A

Maintaining (regulating) a stable internal environment

Allow complex organization and efficiency

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17
Q

Reproduction

A

Process by which new living organisms are produced

Asexual and Sexual

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18
Q

Chemical level

A

Atoms and molecules

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19
Q

Cellular level

A

Forms based on interactions between atoms and molecules

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20
Q

Organismal level

A

Interactions between cells

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21
Q

Population level

A

Interactions between organisms

22
Q

Atom

A

Smallest unit of matter

23
Q

Molecule

A

Two or more joined atoms

24
Q

Macromolecules

A

Many atoms joined together

25
Organelle
Membrane bound compartments within cells
26
Cell
Compartment covered by a thin membrane All living things are made up of one or more cells Basic unit of structure and organization in life
27
Organismal level
Tissue Organ Organ system Multicelled organisms
28
Tissue
Organized group of cells interacting in a specialized activity
29
Organ
Structural unit made up of two or more tissues interacting in some task
30
Organ system
Organs interacting physically and chemically in some tasks
31
Multicelled organisms
Living individual made up of different types of cells, tissues, and organs
32
Population level
Population Ecosystem Community Biosphere
33
Population
Group of individuals of the same species occupying the same area
34
Ecosystem
The living and no living components of an area
35
Community
All the populations in the same area
36
Biosphere
The global ecosystem: the parts of the planet and its atmosphere
37
Taxonomy
The naming and classification of living things based on similarities and differences
38
3 domains
Bacteria Archaea Eukarya Four smaller divisions (kingdoms) within this domain
39
What are Archaea and Bacteria
Prokaryotic
40
What is prokaryotic
Primitive Unicellular No membrane bound components
41
Bacteria
Some helpful some harmful
42
Archaea
Extremophiles
43
What are Eukarya
Eukaryotic
44
What is Eukaryotic
``` More advanced Unicellular and multicellular Nucleus and other organelles Includes four kingdoms Protista Fungi Plantar Animalia ```
45
What is biology?
The scientific study of life.
46
What are the four kingdoms
Protista Fungi Plants Animals
47
Protista
Kingdom by exclusion Mostly unicellular Some autotrophs some heterotrophs
48
Fungi
Multicellular Decomposers
49
Plants
Multicellular autotrophs
50
Animals
Multicellular heterotrophs