extinction Flashcards

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1
Q

WHAT IS EXTINCTION?

A

permanent loss of biodiversity

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2
Q

WHAT IS BIODIVERSITY?

A

variety of all living things

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3
Q

WHAT IS GENETIC DIVERSITY?

A

sum of the total genetic information contained in the genes of organisms

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4
Q

WHAT IS SPECIES DIVERSITY?

A

measure of the number of different species in a specific area

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5
Q

WHAT IS ECOSYSTEM DIVERSITY?

A

measure of the number of different kinds of ecosystems in an area

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6
Q

WHAT IS SPECIES RICHNESS?

A

number of different kind of species in a particular area

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7
Q

WHAT IS SPECIES ABUNDANCE?

A

number of individual members within a particular species

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8
Q

WHAT IS SPECIES EVENNESS?

A

description of the distribution of abundance across the species in a community

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9
Q

WHAT IS THE IMPORTANCE OF BIODIVERSITY IN ECOLOGICAL?

A

environment provides different ecological services and each species plays a specific role in the environment and depend on each other for survival

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10
Q

WHAT IS THE IMPORTANCE OF BIODIVERSITY IN ECONOMIC?

A

environment provides the basic necessities such as food raw materials shelter and clothing

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11
Q

WHAT IS THE IMPORTANCE OF BIODIVERSITY IN MORAL AND ETHICAL?

A

all forms of life deserve equal treatment and have the right to exist on the planet as much as what human beings deserve

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12
Q

WHAT IS MASS EXTINCTION?

A

any circumstance that results in the loss of a significant portion of Earth’s Iving species across a wide geographic area within a relatively short period of geologic time

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