A group of the same species in one area
What is a population
These organisms produce their own energy using the sun
What are plants/producers
A species that is likely to become extinct in the near future
What is an endangered species
A living organism
What is a biotic factor
The community of organisms that live in a particular area, along with their nonliving surroundings
What is an ecosystem?
These organisms only eat plants
What is herbivore
Coal, petroleum oil, and natural gas are examples of what
What is nonrenewable resources/fossil fuels
An organism that is killed and eaten by another organism.
What is prey
A relationship between two species in which both species benefit
What is mutualism
The arrows in the food chain represent
What is energy (being transferred)
Caused by carbon dioxide trapping heat in the atmosphere
What is global warming/greenhouse effect
Every ecosystem's primary source of energy comes from where?
What is the sun
An organism that breaks down wastes and dead organisms.
What is a decomposer?
This is a way to show how energy in a food web is allocated (how much energy each organism gets)
What is an energy pyramid
Give 2 examples of renewable resources
What is solar/wind/hydropower/biomass/geothermal
Draw a food chain with plants, lion, deer, bacteria
plants --> deer --> lion --> bacteria
A series of events in which one organism eats another and obtains energy. Usually written on one line.
What is a food chain?
What is the percentage of energy LOST as it moves from producer to primary consumer to secondary consumer?
What is 90%?
Caused by CFCs creating a hole in the atmosphere. Increased UV radiation. Improving because products with CFCs were banned.
Ozone Depletion
Moths that blend in with trees survive, while other moths get eaten. This is called
What is natural selection