Why do some plants feed on insects How does a pitcher plant catch insects for Class 7?

ANSWER : this plant example Pitcher plant green carry out photosynthesis to obtain a part of food required by them. but they do not get nitrogen from soil in which they grow. so insectivorous or carnivorous plants feed on insects to obtain the nitrogen needed for their growth.

How does a pitcher plant catch insects?

Carnivorous pitcher plants of the genus Nepenthes capture prey with a pitfall trap that relies on a micro-structured, slippery surface. The upper pitcher rim (peristome) is fully wettable and causes insects to slip by aquaplaning on a thin water film.

Why do some plants feed on the insects?

Insectivorous Plants grow in soil which do not contain sufficient nitrogen mineral. But These plants are green and need to carry out photosynthesis to obtain a part of the food required. So, insectivorous plants feed on insects to obtain the nitrogen needed for their growth.

How does a pitcher plant catch insects for Class 5?

Pitcher plants are several different carnivorous plants which have modified leaves known as pitfall traps—a prey-trapping mechanism featuring a deep cavity filled with digestive liquid. The plants attract and drown their prey with nectar.

Why do some plants feed on insects Class 5?

Some plants eat insects because they don’t get enough of nitrogen from the soil and to regulate the amount of nitrogen they eat insects. These plants are called Insectivorus plants.

Why does the pitcher plant feed on insects Though it is green short answer?

Pitcher plant contains chlorophyll; hence it is capable of preparing its own food like green plants. But pitcher plant eats insects because it grows in swamps or bog areas where the soil is deficient in nitrogen mineral. So, just to fulfill its nitrogen requirement, it traps the insects and utilize their proteins.

How does the pitcher plant catch its food answer?

It is an insectivorous plant. Peeys like insects are attracted to to yhe colourful leaf. When the insect sits on the modified leaf ie pitcher the lid closes on the top. Then the pitcher walls secrete enzymes for the digestion of food.

Why is pitcher plant green?

The plants like pitcher plants contain chlorophyll and are green in color, so they can carry out photosynthesis to synthesize a part of the required food by themselves. But they don’t get the nitrogen from the soil in which they grow.

How does a pitcher plants catch insects for Class 7 answer?

Pitcher plant is an insectivorous plant that derives nitrogenous compounds by trapping and consuming insects. The leaf of a pitcher plant is modified to form a pitcher-like structure. When an insect sits on the pitcher, the lid of the pitcher gets closed and the insect gets trapped inside.

Why do Insectivorous plants feed on insects if they are Autotrophs?

The main reason that Insectivorous plants feed on insects since, they are Autotrophs and can do Autotrophic mode of nutrition is, Insectivorous plants can prepare there own food but they lack in food rich in nitrogenous compounds hence, they eat insects to fulfill this requirement.

Why are pitcher plants carnivorous?

Pitcher plants (or pitfall traps) are carnivorous plants whose prey-trapping mechanism features a deep cavity filled with liquid known as a pitfall trap. Carnivorous plants occur in locations where the soil is too poor in minerals and/or too acidic for most plants to be able to grow. …

How do pitcher plants catch insects?

How does a pitcher plant catch insects? Insectivorous plants trap insects because they grow in soil which is usually thin and is also poor in nutrient. So for making themselves rich in nutrients they eat insects. Some pitcher plants contain mutualistic insect larvae, which feed on trapped prey, and whose excreta the plant absorbs.

Why do Insectivorous Plants trap insects?

Insectivorous plants trap insects because they grow in soil which is usually thin and is also poor in nutrients, so they eat insects to fulfil their nutrient requirement.

What is a peristome on a pitcher plant?

Pitcher plants entice insects to their traps using a fragrant nectar. Any insects that encroach the trap are at risk from a ribbed, widely protruding rim known as the peristome.

What are the different types of pitcher plants?

There are 5 different types of pitcher plants: Nepenthes, Sarracenia, Darlingtonia California, Heliamphora, and Cephalotus. All these pitcher plants have somewhat similar trapping mechanisms that are made out of modified leaves that assist it to trap the insects.