Symbiosis
Define Symbiosis
What is A close relationship between 2 different species where at least one species has a benefit?
Organisms that create their own food
What are producers/autotrophs?
Define abiotic factor
What is anything that is not living?
This is the path for the transfer of matter and energy through an ecosystem.
What is a food chain or food web
The scientist that studies the interactions between organisms and their environment.
Who is an ecologist?
The single MOST important factor contributing to the modern-day extintion of hundreds of specie on Earth
What is habitat destruction?
Tape worm and an organism
What is parasitism?
These organisms are usually bacteria, but can be fungi or insects
What are decomposers?
Sun, temperature, climate, wind, water, soil
What are abiotic factors?
This display graphically shows the energy that is available at each trophic level in a food chain
What is an energy pyramid?
This consists of all organisms in a particular region, along with nonliving components.
What is an ecosystem?
Cutting down forests changes the populations of more than trees, fewer animals will no longer be able to survive. List at least 3 of the limiting factors
Other examples may apply
food, water, shelter, space, mates
Clown fish and sea anemone
What is mutualism?
Organisms that cannot make their own food
What are consumers/heterotrophs?
Define biotic factor
What is anything that is living or was once living?
This is an organism that supplies matter and energy to the primary consumer
What is producer/autotroph?
Define ecology
What is the study of life?
Mr. Smith is changing the oil in his car. He dumps the oil down a drain that leads to a nearby river. How does this affect the animals in this habitat?
Answers may vary
The animals may get sick or die
Define mutualism
What is a relationship between 2 different species where both species benefit?
The role or job of a species within its environment
What is niche?
This abiotic factor is the source of all energy in any food chain or food web.
What is the sun?
The animals in a food web release __________ into the enviornment, which plants then use for ________.
A group of organisms of the same species
What is a population?
Suppose the white shark population in the ocean increases. What will happen to the fish population?
The fish population will decrease.
Define commensalism
What is a close relationship between two different species where one benefits and the other is neither helped nor harmed?
What is predator?
Give 5 examples of abiotic factors in an ecosystem.
May include other examples
water, soil, air, rocks, clouds, climate
An ecological pyramid is sometimes used to show the flow of matter and energy in a ecosystem. Draw a conclusion about how the pyramid narrows as matter and energy flow to the top.
What is energy decreases from the bottom to the top because some energy is used at each trophic level for life processes.
Groups of plants and animals that interact within an ecosystem
What is a community?
A farmer sprays chemicals to kill weeds. Some of the spray is carried to a nearby field and kills the grass. What will happen to the population of grasshoppers in the field?
The population of grasshoppers will decrease