Week 1 lectures Flashcards

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1
Q

What did Carl Linnaeus do in 1730’s?

A

He developed a system to classify all living animals.
He separated into plant and animal kingdom.

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2
Q

How was Linnaeus’ list separated?

A

-Kingdom
-Phylum
-Class
-Order
-Family
-Genus
-Species
-Latin Translation

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3
Q

What classification system was introduced in 1969?

A

Five-Kingdom classification system:
-Presence or absence of nucleus
-Number of cells
-Type of metabolism

The kingdoms were:
-Monerans (prokaryotic, unicellular)
-Protists (eukaryotic, mostly unicellular)
-Fungi (decomposers)
-Plants (Photosynthesis)
-Animals (Ingestion)

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4
Q

What are the 5 kingdoms?

A

Monera - unicellular, prokaryotic
Protista - Unicellular and simple, eukaryotic
Animalia - Eukaryotic, multicellular, heterotrophic
Plantae - Eukaryotic, multicellular, and photosynthetic
Fungi - Eukaryotic, unicellular and multicellular, and decomposers.

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5
Q

What are living things grouped according to?

A

Characteristics

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6
Q

What is the new three-domain classification system?

A

The three domains are:
Eubacteria
Kingdom:
-Bacteria

Eukaryota
Kingdom:
-Animalia
-Plantae
-Fungi
-Protista

Archaea
Kingdom:
-Archaea

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7
Q

What is Taxonomy?

A

Taxonomy is the branch of biology that helps to name and classify organisms.

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8
Q

What two names are organisms given?

A

Genus and species

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9
Q

What characteristics define humans

A
  1. Bipedalism - ability to stand upright and walk on two legs.
  2. Opposable thumbs
  3. Large Brain (relative to body size) - ability to conduct complex activities, helps to conduct social interactions.
  4. Capacity for language
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10
Q

At what levels can humans be studied?

A

-Atomic and molecular
-Cellular
-Tissue
-Organ
-Organ systems
-Organism
-Population
-Community
-Ecosystem
-Biosphere

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11
Q

What is the biosphere?

A

The worldwide ecosystem.

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12
Q

What is an ecosystem?

A

Communities of different populations that interact with each other and the nonliving environment.

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13
Q

What is a community?

A

Populations of different organisms interacting with each other in a particular place.

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14
Q

What is a population?

A

A group of individual organisms in a particular place

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15
Q

Organism?

A

An independent living unit

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16
Q

Organ system

A

many organs functioning together

17
Q

Organ

A

Collection of tissues that work together for a particular function

18
Q

Tissue

A

man cells that perform a particular function

19
Q

Cell

A

simplest unit that shows characteristics of life

20
Q

Molecules

A

specific arrangements of atoms

21
Q

Atoms

A

The fundamental units of matter

22
Q
A