level 1
Contrast Scavengers and Decomposers.
scavenger consumes dead plants, animals or carrion to break down the organic materials into small particles whereas decomposer consumes the small particles produced by the scavengers.
How do Decomposers and Detritivores work together?
While decomposers break down dead, organic materials, detritivores—like millipedes, earthworms, and termites—eat dead organisms and wastes.
What is the relationship between the moose and wolf populations on Isle Royale?
as the wolf population declines, the moose population increases and vice versa.
What is the connection relationship between wolves and moose ans fik?
What is density-dependent limiting factors?
disease, competition, and predation.
Contrast a Food Chain and a Food Web
A food chain outlines who eats whom. A food web is all of the food chains in an ecosystem.
Why does the Moose Population decrease after the Wolf Population increased on Isle Royale?
food availability, weather, and seasons affect the health and reproduction of the animals.
What is the problem with wolves on Isle Royale?
Wolves indirectly impact the amount and distribution of vegetation on the island since they primarily prey on herbivores like moose and beaver.
Why are wildfires considered density independent limiting factors?
The fire will kill any unlucky deer that are present, regardless of population size.
What are 2 examples of density-dependent limiting factors?
Competition and predation
Which Trophic Level has the most Energy? Least Energy?
tertiary consumers,
How do Plant perceive Herbivores?
elicitors, often termed 'herbivore-associated molecular patterns' (HAMPs), that are derived from both the herbivores and the plants themselves
What would happen to the moose population if the wolves were removed from Isle Royale?
Why are natural disasters weather considered a density independent limiting factor?
The chances of dying from any of these limiting factors don't depend on how many individuals are in the population.
What describes density independent limiting factors?
any force that affects the size of a population of living things regardless of the density of the population
How much Energy is transferred from one Trophic Level to the next?
10 percent
How do moose and wolves interact on Isle Royale?
Wolves directly impact how many moose and beaver there are at Isle Royale National Park.
How do wolves and moose interact?
The moose are the wolves' chief nutritional source, and the wolves, in turn, help keep the moose population in check.
Contrast Biotic Factors and Abiotic Factors.
Biotic factors are living things within an ecosystem; such as plants, animals, and bacteria, while abiotic are non-living components; such as water, soil and atmosphere.
What is a density-dependent limiting factor quizlet?
a limiting factor of a population wherein large, large dense populations are more affected than small, less crowded ones
Contrast Autotrophs and Heterotrophs.
Autotrophs are known as producers because they are able to make their own food from raw materials and energy.
What is the purpose of the wolves and moose project at Isle Royale?
The hope had been that knowledge about wolves would replace hateful myths and form the basis for a wiser relationship with wolves.
How are the new wolves on Isle Royale doing?
well-established and functioning healthily,”
Describe Density Dependent Limiting Factors (DDLF).
factors that affect the per capita growth rate of a population differently depending on how dense the population already is.
What are five examples of density-dependent limiting factors?
competition, predation, herbivory, parasitism and disease, and stress from overcrowding.