Ch 7 Vosough Science Flashcards
What is an ecosystem?
all the living (biotic) and nonliving (abiotic) things interacting in a particular area
What is a population?
a group of the same type of organisms living in the same area
What does biotic mean?
alive
What does abiotic mean?
nonliving/never alive
What is energy?
The ability to move or change things
What is the definition of change?
when something becomes different overtime
What is the largest ecosystem on Earth?
Ocean
What does an ecologist do?
studies the interactions of organisms with each other and their environment
What is the definition of biodiversity?
how many different species are in an ecosystem
What is biodiversity’s role in an ecosystem?
Biodiversity helps making an ecosystem stronger
What do ecosystems do for us (multiple things)?
Ecosystems have food, clean air, clean water, move nutrients, and other essentials
What are the 3 types of ecosystems we’ve talked about specifically? (there are many more)
forests, wetlands, and oceans
What is a consumer population?
any population that eats other organisms
What is the definition of a sample?
a small portion that represents the whole
What is a resource population?
any population that is food for other organisms
How can a population that is not a consumer or resource for dolphins affect its
birth/death rate?
indirect effect
What does stable mean in reference to a population?
a population’s amount of births and deaths are relatively the same
What is reproduction?
the process of creating offspring