November Partial Flashcards
(62 cards)
What is keystone species
Is a species that has an usually large effect on its ecosystem
The food chain links …
Species by their feeding relationship
What is food chain?
Is a model that shows a sequence of feeding relationship
They only eat plants
Herbivores
Eat only animals
Carnivores
They eat both plants and animals
Omnivores
Eat dead organic matter
Detritivores
What are generalists?
Are consumers that have a varying diet
What are specialists?
(Pandas) are consumers they primarily eat one specific
Food web shows…
A complex network of feeding relationship
How is the energy lost?
As heat
Other pyramids models illustrate an…
An ecosystem biomass and distribution of organisms in given area
What is biomass?
Is a measure of the total dry mass of organism ps in a given area
What is biodiversity
Is the variety of species in one ecosystem
Every organism has a…
A habitat and a niche
What is a habitat?
All the aspects of the area in which an organism lives
A habitat includes
Biotic and abiotic factors
What includes an ecological niche?
Food, abiotic factors, behavior, (all in order to reproduce, stay healthy and survive)
Competition occurs when…
The two species use resources in the same way
What are ecological equivalents?
Species that occupy similar niches but live in different geographical regions
What are two important says in which animals organisms interact?
Competition and predation
When occurs the predation?
When one organism captures and eats another
What are two important says in which animals organisms interact?
Competition and predation
When occurs the predation?
When one organism captures and eats another