Environmental interaction

04 Feb Environmental interaction

Science tuition lessons teach students about habitat, population and community. Science tuition lessons are made more interesting by visits to the park and pond.
A habitat is where organisms live according to its needs. All organisms living in a habitat depend on one another for survival.
There are two types of habitat: Natural habitat and artificial habitat.
Natural habitat: Animals living there do not depend on man to feed or take care of them. Examples are forests and rotting logs.
Artificial habitat: Animals living there depend on man to feed and take care of them. Examples are aquaria, zoos and farms.

All these are habitats for various organisms. The physical characteristics and living conditions are different in different habitats. Each habitat provides the things needed for the organisms living in it for survival. Hence, the types of organisms found in one habitat will be different from the type of organisms found in another habitat. For example, many of the organisms that live in the sea will not be able to live in a desert.

A population is a group of organisms of the same kind that live together and reproduce in the same surroundings at the same period of time. Some factors that affect plant and animal population are food, water, temperature, disease and predation.

All the populations living in a habitat are linked together. They depend on one another for survival. The animals populations in a habitat depend on the plants for food and oxygen which the plants release during photosynthesis.
Plants provide place to lay their eggs or hide their young from potential predators. Plants also provide shelter and protection.
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The plant populations in a habitat depend on the animal populations to pollinate their flowers
disperse their seeds and fruits.
Animals waste enriches soil with nutrients that plant can use as fertilisers.

Within an environment, there are other populations living together and interacting with one another. These populations together make up a community. Each population is directly/indirectly dependent on other populations for food and survival.

For example the field community has a great diversity of plants and animals. It may be completely covered with plants like grasses (lalang, love grass). Spiders, grasshoppers and ants live among plant leaves. Snakes are found slithering along the ground. Soil in this habitat is home to animals such as earthworms, termites and mice. Organisms include insects (woodlouse) and plants (mimosa, clovers). The science tuition teacher will point out the various plants and animals when the science tuition class visit the field. Your science tuition teacher may need some time to find some of these plants and animals.

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