Explanation:
The pitcher plant is an insectivorous (carnivorous) plant. Its leaves are modified into pitcher-shaped structures to trap and digest insects. This adaptation is primarily to supplement the plant's nitrogen intake, as it typically grows in nitrogen-deficient soils (like bogs). The digested insects provide essential nitrogenous compounds.
Explanation:
Charles Darwin's 1859 book 'On the Origin of Species by Means of Natural Selection' laid out the theory of evolution by natural selection. Mendel's work on heredity was published later, Wallace independently conceived natural selection but Darwin's book detailed the evidence comprehensively. Lamarck proposed earlier theories.
Explanation:
Habitat refers to the physical environment where an organism lives (address), whereas niche refers to its functional role in the ecosystem (profession), including interactions and resource use. Ecosystem is the community plus abiotic factors, biome is a large ecological area with similar climate and vegetation. A pond habitat can have various niches.
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