Biomes
What biome do we live in?
Temperate grassland
Where does the energy from the food chain come from?
Food, water, shelter, habitat, predators, etc.
Give an example of a keystone species.
Otter
Starfish
Wolf
What is a biotic factor?
Something that is living
How are biomes categorized?
Amount of rainfall, climate
What do omnivores eat?
Both animals and plants
What is the carrying capacity?
The number of individuals that an area can support
What is biodiversity and why is it important?
Is an indication of a healthy population
What is an autotroph?
An organism that makes it's own food
Why isn't Logan considered a desert?
We receive more than 10 inches of rain a year
What part of the food web are plants?
Producers
Why are invasive species a problem?
More prone to wildfires
Prevents growth of native plants
Isn't nutritious enough for native animals
A keystone species is always a top predator- true or false?
False
What are two parts of an ecosystem?
What is the determining factor on whether an area is temperate or tropical?
Location- how much direct sunlight
How much energy moves up each level of a food chain?
10%
Lots of people become concentrated in cities.
The removal of wolves resulted in what in Yellowstone?
The number of elk increased significantly
The number of plants decreased
How did otters affect the population?
Kelp increased, sea urchins decreased
Answers vary
What cycles through a food chain?
a. Energy
b. Matter
c. Both
d. Neither
What is fragmentation?
Cutting habitats in pieces with roads, fences, etc.
What is a trophic level?
Each level of energy in a food web
What is a tropic cascade?
Removing one level of a food web results in a cascading effect on the other levels