Environmentalism
Everybody Has to Eat
How Populations Grow
We're all Changing and Evolving!
Saving Species
100
A person holding a sign during a protest against cutting down trees in a forest would be considered a(n) ____________________________
What is environmentalism
100
Which sphere are humans a part of the __________________________.
What is the biosphere?
100
If 300 deer live within a 20-km2 area, then 15 deer per km² is the deer _____ for that area.
What density?
100
1. The evolutionary success of an organism is measured the by ______________________ produced.
What is the number of offspring?
100
A set of actions aimed at saving a species is known as a _________________________.
What is a species survival plan?
200
A natural resource that is naturally formed much more slowly than we use it is called
What is non-renewable
200
Matter that organisms require for their life processes are called _________________
What are nutrients?
200
An exponential growth curve is shaped like a
What is a "J"?
200
Following a forest fire, this type of successional change is most to occur.
What is secondary succession?
200
Mapping entire ecosystems can help identify ecological sensitive areas with high species diversity. These areas are known as _____________________________
What is a biodiversity hotspot?
300
Over the last hundred years, resource consumption has ________________
What is increased?
300
Giraffes, lions, zebras, hyenas, and all the other living things of the Serengeti make up a(n) ______________________
What is a community?
300
A population’s growth rate is determined by births, deaths, __________________ and________________________
What is immigration and emigration?
300
Populations that are unable to adapt to environmental change often become ___________.
What is extinct?
300
An ecosystem with high species diversity would have many _________________, while _______________ would have high genetic diversity if there were many variations of the same gene, and a biosphere would have high __________________ if there were many different areas with stable sets of abiotic and biotic factors.
What is species, a population, ecosytem diversity?
400
Questions that can be addressed by science are related to __________________.
What is nature?
400
Every spring, many species of bird travel north to the Arctic to breed, and in the fall travel south again for the winter. This is an example of _____________________
What is migration?
400
Competition is an example of a ______________ limiting factor.
What is density-dependent?
400
Change in day-to-day conditions is known as __________ while changes that occur over a 20 year period are known as __________________.
What is weather and climate?
400
Moving from poles toward the equator, species diversity ______________________.
What is increases?
500
Which steps are usually near the beginning of a scientific investigation are¬¬¬¬¬-_________________.
What is making an observation?
500
“All the living things and their physical environment within a given area” best defines a ____________________.
What is ecosystem?
500
When energy is transferred between trophic levels, the amount of available energy lost is about ______________________________________
What is 90%?
500
The relationship in which one organism gets energy and weakens the other, but doesn’t kill it is known as __________________.
What is parasitism?
500
Highly diverse ecosystems include many different species at every trophic level. This makes the ecosystem very stable because there are _______________________.
What is many sources of energy?
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