Which organisms are considered predators and scavengers? Check all that apply.
What are the three main weapons of predators?
Claws, jaws, and teeth.
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Identify the type of symbiosis described.CommensalismMutualismParasitism The saguaro cactus provides food for the white-winged dove through its large fruit. The bird consumes the fruit, ingests the seeds, and then deposits the seeds in a new location.
Describe the invasion of wild parsnip, including the harm it causes.
Wild parsnip, which came from Europe and Asia, reproduces rapidly and has spread throughout Wisconsin. Contact with the plant can burn your skin. It can be removed at the root or, for large populations, with a powered brush cutter.
Identify the type of symbiosis described.CommensalismMutualismParasitism The brown-headed cowbirds lay eggs in other birds’ nests. They trick the birds into raising their young. The cowbirds hatch first and push the eggs out of the nest. The cowbirds are then fed by the nest-builder.
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