Vocab
A biome found in the middle of continents, characterized by grasses
Grasslands
Examples include plants, animals, and bacteria
Biotic
In a food chain, the arrow represents the flow of ______
Energy
Bacteria and fungi are prime examples of this role
Decomposer
The species that often causes the most disruption to ecosystems
Humans
The specific role or job an organism has in its environment.
Niche
Examples include sunlight, water, and soil.
Abiotic
The primary source of energy for most ecosystems
Sunlight
A meat-eater that cannot produce its own food
Carnivore
A very dry biome with little rainfall.
Desert
A relationship where both species benefit
Mutualism
A living factor that limits a population's size
A predator
A complex network of interconnected food chains
Food web
An organism that makes its own food using sunlight.
Producer
A biome characterized by permafrost and low temperatures.
Tunra
A relationship where one species benefits and the other is unaffected.
Commensalism
This factor causes algae to grow in a pond.
Sunlight
What happens to the predator population if the prey population decreases?
It decreases
What type of consumers are humans?
Omnivores
The most biodiverse biome on Earth
Rainforest
What are the six levels of organization from smallest to biggest?
Organism, Population, Community, Ecosystem, Bloom, Biosphere
True or False: A dead tree is considered a biotic factor
True!
The amount of energy is passed from one trophic level to the next.
10%
An animal that feeds on secondary consumers
Tertiary consumer
A forest biome with trees that lose their leaves annually
Deciduous Forest