Rocks. Biotic or Abiotic?
Abiotic
The biotic factors and how they interact with their environment
Ecosystem
Where one species hunts and eats another species
Predation
Only about what percent of energy moves up the pyramid from producers to consumers?
10%
All food chains and food webs start with what?
A source of energy
What type of natural change happened if a volcano erupted and destroyed a group of redwood trees?
Natural Disaster
Decomposers. Biotic or Abiotic?
Biotic
A single organism
Individual
Where both species benefit
mutualism
An energy pyramid can have up to how many levels?
5

What does a fox eat?
Rabbits and mice
The highest level of the red list without being extinct is called what?
Critically endangered
Fallen leaves. Biotic or Abiotic?
Biotic
A group of ecosystems with similar climates and organisms.
Biome
An Oxpecker lives on a zebras back. The Oxpecker eats the bugs off the zebra.
Mutualism
The second level of the energy pyramid contains what type of species?
Herbivores or Primary Consumers

The grasshopper, mouse, and rabbit are what type of organisms?
Primary Consumers
If a species only exists in zoos it is said to be what red list rating?
Extinct in the wild
Biotic Factors that eat plants and produce carbon dioxide.
Consumers
All living and non-living things on Earth
Biosphere
Two kangaroos box for the rights to territory
Competition
A raccoon eats both berries, eggs, and different insects. What level of the pyramid is a raccoon most likely on?
Secondary consumer

Make a food chain that contains both the grasshopper and an owl.
Sun --> Grass --> grasshopper --> frog --> owl
What type of human activity is the illegal shooting of a species?
Poaching
How do producers make oxygen for animals?
Through photosynthesis
A group of 1 type of species.
Population
A Wren makes its nest in a cactus for extra protection.
Commensalism
What is one way energy is "lost" in the energy pyramid?
Through life processes (living, growing, reproducing, etc.) energy is lost as heat.

What role does the fox play in this ecosystem?
A secondary consumer
What does "IUCN" stand for that created the red list?
International Union for the Conservation of Nature