Unit 12: Diversity Of Life Flashcards

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1
Q

Acid rain

A

Rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes.

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2
Q

Air pollution

A

The presence of a substance in the air that has harmful or poisonous effects.

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3
Q

Algal bloom

A

A rapid growth of microscopic algae in water ending up in a colored scum on the surface of the water.

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4
Q

Archaea

A

Archaea is a large group of small microorganisms. They are unicellular and prokarvotic.

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5
Q

Archaebacteria

A

Archaebacteria is an early stage microorganisr that lives in severe environments like for example a place that is very hot. It also is unicellular.

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6
Q

Bacteria

A

A biological cell and are contained in prokaryotic microorganisms that have cell walls but lack organelles and a nucleus.

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7
Q

Binomial nomenclature

A

A naming system in which two names are used: the first indicates the genus, and the second indicates the species.

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8
Q

Carolus Linnaeus

A

This man was well known for his work in Taxonomy, the naming and classifying of organisms.

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9
Q

Cladogram

A

A branching diagram showing the cladistic relationship between a number of species.

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10
Q

Class

A

Class is a taxonomic rank. It fits in between phylum and order.

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11
Q

Classification

A

When animals and plants are categorized by physical similarities including their class, order, genus, family and soecies.

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12
Q

Dead zone

A

A place or period of time in which nothing occurs or no life is existent.

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13
Q

Dichotomous key

A

This key is a tool that allows the user to determine the identity of items in the natural world, like trees and animals.

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14
Q

Classification system

A

A system used to classify groups of similar things.

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15
Q

Domain

A

Domain is a taxon of the highest ranking. Organisms can be classified in any of the three domains: Archaea, Bacteria, and Eukarya.

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16
Q

Eubacteria

A

A bacteria of a large group having simple cells with rigid cell walls and often have a flagella for movement.

17
Q

Eukarya

A

One of three domains of living organisms; species with membrane-bound structures and a true nucleus; many are multi-cellular; includes animals, plants, fungi, and algae

18
Q

Fungi

A

Organisms feeding on other organic matter including mold or yeast.

19
Q

Genus

A

A group of species that are related; a taxonomic rank below the level of family and above species.

20
Q

Global warming

A

The increase of temperature of Earth’s climate system/ atmosphere generally caused by increased levels of carbon dioxide and other pollutants.

21
Q

Greenhouse effect

A

Warming of air due to gases that cause less heat to be reflected than absorbed.

22
Q

Habitat loss

A

A habitat that is damaged to such a severe extent that it is no longer able to support the species of animals that live there.

23
Q

Hierarchical system

A

The hierarchal system is a system of grouping things into levels and orders, kingdom being at the top and species at the bottom.

24
Q

Kingdom

A

The second highest rank in the classification of organisms.

25
Q

Linnaean classification

A

The Linnaean classification is a way of organizing living things.
Scientists now classify animals. according to the structure of their body.

26
Q

Linnaeus

A

He was a Swedish botanist who created the Linnaean classification. He was the founder of the taxonomy system.

27
Q

Monera

A

A kingdom that has unicellular organism with a prokaryotic cell organization. Ex. Bacteria

28
Q

Natural recourses

A

A substance or material like water, forests, and minerals that occur in nature.

29
Q

Nonrenewable source

A

A nonrenewable resource is a natural resource like coal, gas and oil that once used up cannot be replaced.

30
Q

Order

A

It is a taxonomic rank. This one fits in between class and family.

31
Q

Phylum

A

A taxonomic category that stands above class and below kingdom.

32
Q

Protists

A

A single celled organism in the Protista kingdom.

33
Q

Renewable source

A

A resource that can be used repeatedly and does not run out because it is naturally replaced.

34
Q

Soil

A

The upper layer of Earth which helps plants grow including organic material.

35
Q

Species

A

A group of living organisms that consist of similar individuals capable of interbreeding.

36
Q

Sustainable use

A

Sustainable use means the use of components that can be maintained and does not lead to a long-term decline in biological diversity.

37
Q

Taxon

A

It is a group of any rank, such as a species, family, or class.

38
Q

Taxonomist

A

A taxonomist is a biologist that groups organisms into categories.

39
Q

Taxonomy

A

The branch of science that includes classification of many things such as species.