______ and ______ are two reasons for the remarkable increase in the human population. -
correct answer ✔✔agricultural revolution; industrial revolution
Conserving Earth's resources so that our descendants may enjoy them as much as we have is an
example of what principle? - correct answer ✔✔sustainability
A paradigm - correct answer ✔✔is a dominant worldview in science
The scientific process is based on - correct answer ✔✔a systematic process of learning about
and testing our understanding of the world
A hypothesis is - correct answer ✔✔a testable proposition that explains an observed
phenomenon or answers a question
An experiment - correct answer ✔✔is an activity designed to test the validity of a hypothesis
The process by which several researchers review another researcher's manuscript prior to
publication to ensure research quality is referred to as - correct answer ✔✔peer review
Wind, solar, and geothermal energy are examples of - correct answer ✔✔renewable natural
resources
Minerals, crude oil, and coal are - correct answer ✔✔non renewable resources
Nutrient cycling, water purification, and plant pollination are examples of Earth's - correct
answer ✔✔ecosystem services
, Sustainability means all of the following EXCEPT - correct answer ✔✔to maintain economic
growth so others can live affluent lives in every part of the world
Exponential growth of the human population is an example of a - correct answer ✔✔positive
feedback loop
Dead zones in the Chesapeake Bay are the result of - correct answer ✔✔high input of nitrogen
and phosphorus
Freshwater wetlands have a ______ net primary productivity, whereas tundra has a ______ net
primary productivity - correct answer ✔✔high; low
The tendency of a system to maintain stable internal conditions is called - correct answer
✔✔homeostasis
Melting arctic snow exposes the dark surface on bare rock. The dark surfaces heat up causing
further melting of the arctic ice. This is an example of a - correct answer ✔✔positive feedback
loop
Reactants needed for photosynthesis include - correct answer ✔✔CO2, water, and sunlight
The original source of energy for living things in most ecosystems is - correct answer
✔✔sunlight
The 1st law of thermodynamics states that the total amount of energy in the universe is -
correct answer ✔✔constant