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Sci 7A U2L13 Test
Interdependent Relationships in Ecosystems
| Question | Answer |
|---|---|
| A frog is brightly colored. This skin color is most likely a _______________ to potential predators | Warning |
| Camouflage is the adaptation of a species to ______________ into it's environment | Blend |
| Camouflage can help prey animals escape ______________ | Predators |
| If two species share the same niche in an ecosystem they will most likely have a _________________ relationship | Competitive |
| When an invasive species is introduced, it is most likely that both biodiversity and the ecosystem will be _________________ | Harmed |
| Most human activities tend to decrease __________________ | Biodiversity |
| After a disaster the squirrel population increased while the chipmunk population decreased. We can infer from this that squirrels and chipmunks compete for a _______________ resource | Limiting Factor |
| Coyotes hunt rabbits. They have a ___________ / ___________ relationship | Predator/Prey |
| For an ecosystem to survive there must be far more _____________ than predators | Prey |
| Mosquitoes and humans have a ______________ relationship | Parasitic |
| Birds feed on the tiny insects on a deer. The deer gets clean while the birds get a meal. This is a ______________ relationship | Mutualistic |
| When coyotes were hunted, the rabbit population increased and damaged the forest because there were so many of them eating the plants. From this drastic change in the ecosystem we can infer that coyotes are a ___________ ____________ | Keystone Species |
| A bird building a nest is an example of a _____________ adaptation | Behavioral |
| Prey animals will usually hide when they see a predator. This is _____________ | Instinct |
| An increase in ____________ results in benefits such as more resources and new medicines | Biodiversity |
| Using renewable energy sources results in an ______________ of biodiversity because ecosystems are not damaged | Increase |
| If oxygen levels decreased in a pond and that caused a decrease in the number of fish in that pond we can infer that oxygen is a _____________ ______________ for the fish | Limiting Factor |
| When the rain-forest is clear cut the result is a decrease in biodiversity due to _______________ destruction | Habitat |
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