Ecosystem
Ecological Pyramid
Food Chains/Webs
Keystone Species / Ecological Succession
Random
100
Multiple organisms of the same species in an area is called a(n) _______________________.
Population
100
Which organism is a secondary consumer?
shrew or frog
100
The arrows represent ___________ in a food chain/food web.
energy
100
Give an example of a keystone species.
Wolves, starfish
100
Tsunami, earthquakes, fires, floods are examples of ______________.
Disturbances
200
A(n) __________ includes all living and non-living things in an environment.
Ecosystem
200
Name two organisms that are on the SAME trophic level.
marsh grass / cat tail
Grasshopper and cricket
frog and shrew
200
Worms and bacteria are examples of _____________
Decomposers
200
Lichen is an example of a(n) _______________________________ because they're the first to appear.
Lichens
200
Name a scavenger.
Vultures, coyotes
300
The sun, temperature, air, and water are examples of __________________.
Abiotic Factors
300
___________ are at the bottom level of the pyramid.
Producers or autotrophs
300
_______ takes place when organisms require the same resources.
Competition
300
This is an example of _________________.
Secondary Succession
300
Give an example of an omnivore.
Bears, humans
400
What is the primary source of energy in an ecosystem?
Sun
400
Energy is lost as _________ when it moves from one level of the ecological pyramid to the next.
heat
400
An organism that feeds on the leftover food from other animals is called a(n) __________.
scavenger
400
_____________ is when the ecosystem reaches a stable and balance point. Some signs are the presence of oak trees and taller plants.
Climax community
400
Which species' population doubled when wolves were absent from Yellowstone National Park?
Elks
500
The variety of life on Earth is called __________________.
Biodiversity
500
The position an organism occupies in a food chain/web or ecological pyramid is called __________________
Trophic Level
500
An organism that needs to eat other organism to make energy is called a(n) __________.
Heterotroph
500
_________________ begins with bare rocks.
Primary Succession
500
Which state is Yellowstone National Park located in?
Montana, Wyoming, Idaho