PLANT RESPONSE TO PHYSICAL ENVIRONMENT.pptx

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1. PLANT RESPONSE TO PHYSICAL ENVIRONMENT: HABITAT FACTORS AND ANIMAL RESPONSE TO PHYSICAL ENVIRONMENT, MEANS AND BARRIERS TO ANIMAL DISPERSAL

2. Habitat and Animal Habitat refers to the natural environment in which an organism lives, including all the biotic (living) and abiotic (non-living) factors that influence its survival and reproduction. A habitat provides the necessary resources such as food, water, shelter, and space for the organism to thrive. Habitats can vary widely in terms of climate, geography, and available resources, ranging from forests and deserts to oceans and wetlands. Animal refers to a living organism that belongs to the kingdom Animalia. Animals are typically characterized by their ability to move, consume organic material, and respond to stimuli. They are heterotrophic, meaning they obtain their energy and nutrients by consuming other organisms. Animals can be classified into various groups based on their physical characteristics, behavior , and evolutionary history, including mammals, birds, reptiles, amphibians, and insects.

3. PLANT RESPONSE TO PHYSICAL ENVIRONMENT: HABITAT FACTORS AND ANIMAL RESPONSE TO PHYSICAL ENVIRONMENT, MEANS AND BARRIERS TO ANIMAL DISPERSAL Plant Response to Physical Environment: Habitat Factors Temperature Adaptations : Plants exhibit various adaptations to cope with temperature extremes. For example, many temperate plants enter a period of dormancy during cold winters to avoid frost damage, while tropical plants, like those in rainforests, are adapted to consistently warm temperatures and may suffer from chilling stress if exposed to lower temperatures. Precipitation Adaptations : Plants have evolved strategies to manage different levels of precipitation. Xerophytes, such as cacti, have developed thick, waxy cuticles and water-storage tissues to conserve moisture in arid environments, whereas hydrophytes, like water lilies, have adaptations such as air-filled tissues and floating leaves to thrive in aquatic environments with abundant water.