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Populations and ecosystems
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what do all ecosystems have?
Carrying capacity
Can changes in an enviorment effect the population?
Yes
If the wolf population shrinks what will happen to the deer population
There will be an overpopulation of deer
What best describes what tigers are
carnivores
what does abiotic mean?
Nonliving
what does biotic mean?
living
Which cactus feature is an adaptation that protects it from predators?
Spines (needles)
Camouflage is an adaptation that can be useful to _____________________.
Both predators and prey
Monarch butterflies are poisonous and viceroy butterflies are not, yet they look very similar. Which of these statements describes this situation?
Viceroy evolution resulted in mimicory of Monarchs
Which statement best describes humans?
omnivores
Herbivores belong in which trophic level of the energy pyramid?
primary consumers
You can usually tell something about what a mammal eats by looking at its teeth. Which of these describes the teeth that herbivores usually have?
Large, sharp incisors and large molars, small or no canines
Without bacteria, nothing else on Earth could live. This is primarily true because of the role they play in _________________.
decomposition
What are mammals?
Mammals are consumers
What term is used to describe a group of rabbits of the same species that live together in the same forest at the same time?
population
A particular area can support a finite number of organisms. When the number of a species goes beyond what an area can support, it is called ________.
Overpopulation
Que When a species becomes overpopulated in a particular ecosystem, typically, some individuals will survive, some will die, and some will _______.
Migrate
The food web in the diagram below shows interactions among organisms in a wetland. According to the diagram, which of these pairs of organisms are competing for the same food?
Fresh water snails and small fish
The figure below shows how the ocean is divided into zones, based on how much light penetrates the water and how close each zone is to land masses. Each of the zones is characterized by different organisms.
Abyssal zone
What components make up an environment?
abiotic and biotic factors
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