PTQ: Sci Flashcards
Individuals leaving the population is known as ________.
emigration
What is the integration of living and nonliving system components in specific geographic areas called?
ecosystems
The ___________ is an objective way to explore the natural world, draw inferences from it, and predict the
outcome of certain events, processes, or alterations.
scientific method
What happens each time an atom splits?
A small amount of heat is given off
According to the most common definition, what is a characteristic that organisms must have to be a
species?
They must be able to produce viable offspring
What factors cause the type of genetic drift known as the bottleneck effect?
hunting, habitat loss, or natural disasters
According to the United Nations, the global human population reached _________ people in November
2022.
8 billion
How is ethanol produced?
by fermentation
What term is used to describe species that are not native to an area but are introduced by people, either
deliberately or accidentally?
exotic species
What largely determines the relatively hospitable temperatures on Earth?
heat-trapping gases in the atmosphere, also known as greenhouse gases
Mutualists are species that interact in what way?
for each other’s benefit
_________ solar energy refers to the collection of solar energy directly from the rays of the Sun without an
intermediate technology such as a pump or blower.
Passive
There are periods of mass extinction in which the fossil record reveals that _______ numbers of species
died in a very _______ time interval.
large, short
What happens to the size of a population as the limiting resource decreases?
the population decreases
An automobile parked in the sun with its windows closed on a cool day is an example of what effect?
the greenhouse effect
What is the process of becoming most suited for a particular environment called?
adaptation
When carbon combines with oxygen, it forms what?
carbon dioxide
How do environmental scientists define a population?
a group of individuals of a single species
How much energy does a pound of enriched uranium contain compared to gasoline?
the energy content of 1 million gallons of gasoline
According to the USAP Science Resource Guide, every day the Earth is bathed with what type of energy?
solar energy