Which of the following animals would you not expect to be highly poisonous?a snake with red and black bandsa butterfly with orange and black wingsa pale green caterpillara red and black grasshopperWhat type of populations would be most likely to show resource partitioning?sympatric populations of species with similar ecological nichessympatric populations of a predator and its preyallopatric populations of the same animal speciesallopatric populations of a flowering plant and its specialized insect pollinatorA group of long-billed prairie birds migrates from a pristine, protected prairie to a nearby, newlyrestored prairie. They colonize and establish a breeding population in the restored prairie. Years later,scientists compare the two bird populations and find that long-billed prairie birds in the newlycolonized area consume a much smaller range of food types than birds from the original population,even though food availability is similar in the two areas. What might be an explanation for this?The two populations of the long-billed prairie-birds had different fundamental niches, but the samerealized nicheThe original population of long-billed prairie-birds had higher levels of competition for food resourcesand in order to find enough food had a more varied diet. Those in the newly colonized area faced lesscompetition and adapted to a smaller range of food types.While the long-billed prairie-birdâs fundamental niche included a wide range of prey species, competitionwith other species in the newly colonized prairie reduced the realized niche such that fewer food typeswere utilizedThe long-billed prairie-birdâs fundamental niche shifted as a result of competition with other speciessuch that individuals in the newly colonized prairie foraged on a smaller variety of food typesThe ideal biotic and abiotic environment a species can inhabit is referred to as the ________, while the________refers to the environment that an animal actually inhabits after accounting for interactionswith other species.ideal niche; realized nichefundamental niche; realized nichefundamental niche; ecological nicherealized niche; fundamental nicheMilkweed plants contain cardiac glycosides, substances that are toxic to many species. However, thecaterpillars of the monarch butterfly have evolved to feed on milkweed, and are thus able to toleratethe toxins and even sequester them for protection from predators. Milkweed also produces a stickysubstance called latex, which can entrap and kill small monarch caterpillars. It has recently beendiscovered that monarch caterpillars often nibble through a leaf’s petiole (attachment point) beforefeeding on the leaf – this cuts off the supply of latex to the leaf. If you could travel far into the future,what development do you think you would be most likely to find in the milkweed/monarchinteraction?Monarchs have evolved to tolerate ingestion of latex and no longer chew through leaf petioles prior tofeedingMilkweed plants have evolved to have tougher petioles; most monarchs are unable to chew throughthem prior to feeding on leaves.Monarch have switched from feeding on milkweed to feeding on oak leaves.Milkweed plants have stopped producing cardiac glycosides, allowing other species besides monarchs tofeed on them.You are studying the feeding habits of a group of four closely related bird species. You observe that allfour species feed on insects. However,you notice that the species do not feed at the same time of day:one species feeds most actively at dawn, another during the middle of the day, another at dusk, andthe last species feeds at night. What term would you use to describe this behavior?competitive exclusioninterference competitionresource partitioningexploitation competition
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