True or False? C) camouflage. E) 10, A carnivorous plant, such as a sundew, may be considered both a ________ when it eats a carnivorous spider. How many pine voles can you get per acre? A) pine forest | 1 However, when both species are present, B. appositus feeds on only larkspur and B. flavifrons specializes on monkshood. [3] Voles cache food, primarily during the winter. She is also certified in secondary special education, biology, and physics in Massachusetts. D) parasitic evolution. C) allogenic. It is a graphical representation between various organisms in an ecosystem. D) They aren't separate species. Island of the Blue Dolphins by Scott O'Dell | Plot, Characters & Analysis. Based on this information alone, we might classify the relationship between the Masai and cattle as C) 10 grams. C) camouflage Their semifossorial nature and penchant for groundcover makes them a challenge to identify and control, however certain information about voles can be useful in understanding how to prevent their damage. What are the Physical devices used to construct memories? C) caused the diversity of the plant community to decline by 40%. E) efficiency of the heterotrophs. This development has been attributed to the overgrazing of the area's grasses by cattle and sheep. E) prey. answer choices . In the Australian outback, emus (a relative of the ostrich) feeding in the open brush lands have coloration similar to the surrounding bushes. 5 How many pine voles can you get per acre? The eastern meadow vole is active year-round, usually at night. Dont rely on outdoor cats to be of much help, thoughthey cant be bothered going after pests who spend most of their time underground. Is a pine vole a secondary consumer? - Answers A) niche fragmentation. B) Competitive exclusion A) Predators would initially attack and eat king snakes but soon learn to avoid them. Two species of buttercup are found in a field in North Dakota, and they tend to flower at approximately the same time in early spring. E) resource partition profile. __________________. The bright coloration of toxic tree frogs is an example of ________ ________. The succession shown in the illustration is A) competitive exclusion. B) aggressive mimicry. The primary consumers are herbivores (vegetarians). D) omnivores. To protect roots and bulbs, install rolls of -inch wire mesh secured with stakes throughout your garden. C) primary consumer. A) Predation Primary consumers eat only producers. All of the following are decomposers except. E) predation. D) coevolution. E) autotrophs. Search and feel for underground tunnels around the base of the stressed shrubs that may reveal vole activity. In ________, the interaction between two species harms both of them. When you walk over your planting areas, the soil underfoot may feel soft and spongy. Urban environments have little impact on vole habitat selection.[3]. A) Heterotrophs A) mutualistic Which of the following types of seafood would have the highest levels of methylmercury, and therefore cause the severest effects? What percentage of energy produced by the sun is captured by photosynthetic organisms? A) estuary. A worm that eats a dead plant is a primary consumer, while a fly maggot that eats a dead deer is a secondary consumer.