Organisms that make their own food are called...
What are producers?
The biggest threat to most biomes.
What is human impact?
Each level of the energy pyramid is called this.
What is a trophic level?
Ecological succession is...
What is the environment rebuilding after a disaster such a a wild fire or volcanic eruption?
This is the most biodiverse land biome.
What is the tropical rainforest?
A food web with many grasses is____________________ than an environment with few grasses.
What is more sustainable/ more likely to survive?
The more diverse an environment is...
What is the more sustainable the environment is?
The amount of energy that is passed from one trophic level to the next.
What is 10%?
Species that return first are called...
What are pioneer species?
Food chains, food webs, and energy pyramids represent...
Removing a primary consumer from the food web/ food chain will result in...
What is more producers and fewer secondary consumers?
If a forest begins to turn into a desert, this will happen to the organisms in the environment.
What is new organisms will be supported, and old organisms will decline?
The direction energy flows on an energy pyramids.
What is upwards from producers to tertiary consumers?
Soil is already present in this type of succession.
What is secondary succession?
A producer in a food web or food chain would go here on an energy pyramid.
What is at the bottom?
Removing a large carnivore from a food web will cause this.
What is an increase in primary consumers and a decrease in producers?
Examples of factors that limit which organisms can occur in a given environment include:
What are climate, pollinators, food sources, availability of water?
The top predator in an ecosystem would go here on an energy pyramid...
What is at the top?
Soil has to be formed by lichens and other pioneer species in this type of succession.
What is primary succession?
The energy in most ecosystems comes from here.
What is the sun?
Removing producers form a food chain/ food web will result in this...
What is all other levels decreasing/ collapse of the ecosystem?
Biodiversity describes...
What is the number of species in a given area?
This makes up the largest section of an energy pyramid.
What are producers?
After a hurricane, this type of succession is likely to occur.
What is secondary succession?
The largest group of animals are...