QUESTION 6 How much energy is passed up through each trophic...

QUESTION 6 How much energy is passed up through each trophic level in a food chain? 100% 1% 10% 50% QUESTION 7 Match each example to its place in an ecological food web. - A cow that eats grass - Berries that are eaten by cottontail rabbits - Red-tailed hawk that eats a cottontail rabbit (the rabbit had previously fed on berries) - Killer whale eats a seal (the seal had fed upon a mackerel fish, and the fish had fed upon photosynthetic marine plants). A. Primary consumer B. producer C. secondary consumer D. teritary consumer E. quanternary consumer F. secondary producer

Transcript

00:01 Question 6 discuss is about the tropic levels in food chain.

00:05 The tropic level in food chain can be understood by comparing a simple food chain such as that of the terrestrial food chain.

00:14 In case of terrestrial food chain, let's say that the plants are the primary ones which in turn will make food.

00:22 And since they are referred as auto drops, that is poto auto drops, and then they are consumed by animals.

00:29 And these animals which in turn will feed on them are called as the herbivus or the primary consumer.

00:35 Next to it, there are certain animals which in turn will eat the primary consumers and these animals are called as scar, or the secondary consumer.

00:45 And they in turn can be eaten by other animals which are called as the tertiary consumers or they can even die.

00:54 So they have two different dates with in order to be regulated.

00:59 Food chain.

01:00 So each amount like when an animal eats an other form there is a certain amount of energy gained by them at each step.

01:09 Thus this is defined as the trophic level that is this is considered to be one level and in turn it will be counted to the another level.

01:17 So the number of plants in a particular population is usually found to be high and this in turn will decrease in a there is a decrease in number of the animals that is the primary consumers when compared to plants and when compared to secondary consumers this also in turn decreases and when compared to the tertiary consumer it in turn decreases so as they are larger in sizes this is sufficient for this animal one or one or two of this animal to be eaten that is the secondary consumer hence these are referred as tropic levels and the amount of energy which is transferred from one tropic level to the another tropic level is just 10 percentage of the total energy.

02:01 Hence option three stating that only 10 percentage of the energy is transferred from one topic level to the another tropic level is the correct answer to this question.

02:10 Questions i mean discusses about the ecological food wave.

02:14 So an ecological fluid web that is the term food wave refers to number of food chains which are linked to each other.

02:23 Let's see the first question when that is when a cow that eats a grass.

02:29 So here grass are considered to be the photo autotrops and cows are referred to be the herbivode.

02:36 So it can be matched with option f stating that it is the secondary producer.

02:43 It is a secondary producer...

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