Share Science Ch 3 Ecosystems and adaptations
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What 3 things must an organism's habitat provide?
food, water, and shelter
The nonliving parts of an ecosystem are called
abiotic factors
A population is all the members of different species living in a particular
community
A group of lions leaving the herd in search of food is called
emigration
If you have 30 rabbits in a cage measuring 5 square meters what is the population density?
6 rabbits per square meter
An organism's particular role in a habitat or how it survives is called its
niche
Name 4 limiting factors
lack of food, water, or space; weather conditions or natural disasters
Give 2 examples of a predator adaptation.
sharp talons on an eagle, speed of a cheetah
A bird building its nest in a tree is what form of symbiosis?
commensalism
The place where an organism lives and that provides the things the organism needs is called its
habitat
Name a biotic factor in a prairie ecosystem.
grass, bushes, organisms
The behaviors and physical characteristics of a species that allow them to live successfully are called
adaptations
The struggle between organisms to survive in the same habitat with limited resources is called
competition
What is population density?
the number of individuals of a population in a specific area
The largest population that an area can support is called
carrying capacity
An early winter frost destroying certain crops would be considered a
limiting factor
