Earth and Human Activity
Flashcard
•
Science
•
6th - 8th Grade
•
Hard
Barbara White
FREE Resource
Student preview
22 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Population Noun
[pop-yoo-lay-shun]
Back
Population
All the members of a single species that are living in a specific geographical area at the same time.
Example: The image shows different animals living together in a pond ecosystem, representing a population of species in one area.
2.
FLASHCARD QUESTION
Front
Emigration Noun
[em-i-gray-shun]
Back
Emigration
The act of individuals permanently leaving a population or geographical area to settle in another different location.
Example: Birds leaving one population to join another show emigration.
3.
FLASHCARD QUESTION
Front
Immigration Noun
[im-i-gray-shun]
Back
Immigration
The act of individuals permanently moving into a new population or geographical area in order to live there.
Example: A family with suitcases represents moving to a new place to live permanently.
4.
FLASHCARD QUESTION
Front
Age Structure Noun
[ayj struk-cher]
Back
Age Structure
The distribution of males and females within a population according to different age groups, like pre-reproductive or reproductive.
Example: The image shows an age pyramid, illustrating how populations are divided by age and gender.
5.
FLASHCARD QUESTION
Front
Demographer Noun
[dih-mog-ruh-fer]
Back
Demographer
A scientist who studies the statistical characteristics of populations, such as their size, structure, distribution, and changes.
Example: A population pyramid shows the age and gender distribution of a population, helping demographers study population structure.
6.
FLASHCARD QUESTION
Front
Natural Resource Noun
[nach-er-ul ree-sors]
Back
Natural Resource
Any material or substance from the environment that is useful or necessary for the survival of living organisms.
Example: The image shows Earth as a source of water, illustrating how natural resources are essential for survival.
7.
FLASHCARD QUESTION
Front
Carrying Capacity Noun
[kair-ee-ing kuh-pas-i-tee]
Back
Carrying Capacity
The maximum number of individuals of a species that an environment can sustainably support over a long period.
Example: The image shows a bucket filling with water to represent population growth and overflow to show exceeding carrying capacity.
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