Vocabulary
Gets energy from organisms that are already dead.
What is a scavenger?
Made up of many food chains; it shows the feeding relationships in an ecosystem.
What are food webs?
A large geographical area with a distinct climate, vegetation, and animal life. It can cover multiple continents.
What is a biome?
Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some developing seeds. Both species benefit.
What is mutualism?
The maximum population size that can be supported in a particular habitat.
What is carrying capacity?
A pig is a type of consumer that will eat fruits, vegetables, and insects so it is a(n) ___________.
What is an omnivore?
A herd of lions is an example of ___________.
What is a population?
Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales.
What is commensalism?
An environmental factor that can restrict growth in a population.
For example, the amount of sunlight, water, and nutrients a plant receives.
What is the limiting factor?
This type of consumer eats plants for energy.
What is an herbivore?
These organisms are typically at the top of the food chain. They are called ____________ consumers.
What is tertiary?
A group of many different species of organisms that live in the same geographical area and interact with each other.
What is a community?
Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed.
What is parasitism?
The movement of an individual or population leaving its current habitat and settling into a new one.
What is emigration?
An organism that breaks down wastes and dead organisms. Examples include earthworms, fungi, and bacteria.
What is a decomposer?
This group makes up the base of the ecological pyramid and is the largest part. It represents the most significant amount of biomass in an ecosystem.
What are producers?
The entire region of the Earth where life exists.
What is a biosphere?
Hermit crabs live in shells made and then abandoned by snails.
What is commensalism?
The movement of an individual or population into a new area. This would cause an increase in population.
What is immigration?
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%?
What is an ecosystem?
___________ is a relationship in which two different organisms have a close association with each other.
What is symbiosis?
What can cause a population to decrease?
What is death, emigration, low birth rates, natural disasters, etc?