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c. short Answer questions
1. Why do organisms need to take food?
2. What are insectivorous plants? Give two examples of insectivorous plants,
3. How does a pitcher plant trap an insect?
4. What are total and partial parasites? Give examples,
5. What is the importance of photosynthesis?
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Answers
Insectivorous plant are those plants which eat insects. Eg pitcher plant , sundews
3- A pitcher plant attracts insects towards it by secreating attracting smell. When the insect gets trapped then the pitcher plant closes its lid and then starts secreating digestive juices on it.
4- Total parasites- which totally depend on other plants for their food , water and nutrition. Example- Dodder
* Partial parasites- Which partially depend on other plants for some nutrition and water. Example - Mistletoe
5- Photosynthesis is the process by which plants make their food using water, sunlight , carbon dioxide and chlorophyll . It is important for plants because they need food to respire and grow. ( and those fruits and vegetables we get are also the food prepare by plants during photosynthesis).
1 ~ the organism need to take food to build their
bodies, to grow, to repair damaged part of their bodies and to obtain the energy to carry out life processes. food provide resistance of fight in disease and protection from different infection.
2~ These plants feed on insects by tapping
and them digestion. it is called insetivorous plants.
some examples - pitcher plant, bladderwort.
3~ the leaves of a pitcher plant are modified into a pitcher-like structure. the tip of the leaf froms a lid to the pitcher. the insect traps in the hair in the pitcher by the directed down. there insect is digestion by the digestive enzymes present in the juices inside the pitcher.
5~green plant and trees use photosynthesis to make food from sunlight,co2 and water, in the atmosphere it is primary sources of energy.
the important of photosynthesis in our life is o2 produces.