How many statements are correct?
$(a)$ Some animals like cockroaches,crows,etc.,are omnivores.
$(b)$ Detritus food chain $(DFC)$ begins with dead organic matter.
$(c)$ Each trophic level has a certain mass of living material at a particular time called as standing crop.
$(d)$ Species composition and stratification are two main structural features of an ecosystem.

  • A
    $2$
  • B
    $3$
  • C
    $1$
  • D
    All

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Similar Questions

Choose the incorrect statement.

Which of the following is an example of a man-made ecosystem?

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$A$ snake feeds on a rat,a hawk feeds on the snake,and the rat feeds on a grasshopper. In this food chain,what is the trophic level of the rat?

Find an incorrect statement for $DFC$ (Detritus Food Chain).

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