Biodiversity and ConservationEasy
Question
Study the four statement (1-4) given below and select the two correct ones out of them
(1) A loin eating a deer and a sparrow feeding on grain are ecologically similar in being consumers
(2) predator star fish piaster helps in maintining species diversity of some invertebrates
(3) Predator ultimately lead to extionction of prey species
(4) Production of chemicals such as nicotine, strychine by the plants are metabolic disorders.
(1) A loin eating a deer and a sparrow feeding on grain are ecologically similar in being consumers
(2) predator star fish piaster helps in maintining species diversity of some invertebrates
(3) Predator ultimately lead to extionction of prey species
(4) Production of chemicals such as nicotine, strychine by the plants are metabolic disorders.
Options
A.(2) and (3)
B.(3) and (4)
C.(1) and (4)
D.(1) and (2)
Solution
Both loin (carnivore) and sparrow (herbivore) are consumers. The Asteroidea occupy several importants roles through out ecology and biology. Sea stars, such as Ochre star (pisaster ochraceus ) have become widely known as the example of keystone species concept in ecology. Most species are generalist predators, eating molluscs such as clam, oysters, etc.
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