Living organisms use energy, primarily from food or sunlight, to fuel metabolic processes, maintain homeostasis, and support growth and reproduction. Energy is essential for performing various physiological functions and sustaining life.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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Sexual reproduction involves two parents and the combination of genetic material, resulting in genetic diversity. Asexual reproduction involves one parent and produces genetically identical offspring, typically through methods like fission, budding, or vegetative propagation.
Living creatures respond to internal stimuli, like hunger or pain, and external stimuli, like temperature or light. Responses involve behavioral changes or physiological adjustments to maintain homeostasis and ensure survival.
The mantle is responsible for secreting the shell in snails. It produces calcium carbonate, which forms the shell’s layers, and continuously adds material to accommodate the snail’s growth and provide protection.
Living organisms adapt to environmental changes through behavioral adjustments, physiological changes, or evolutionary processes. These adaptations help them survive by optimizing their responses to new conditions and challenges.