IGCSE Biology Paper-5: Specimen Questions with Answers 61 - 62 of 62

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Passage

Figure shows the flow of energy in different trophic levels. The unit of energy flow is kJ per m2 per year.

Figure Shows the Flow of Energy

Question 61 (3 of 3 Based on Passage)

Edit

Write in Brief

One Liner▾

Write examples of P.

Explanation

green plants and photosynthetic bacteria

Question 62

Describe in Detail

Essay▾

Identify phylum of given animal with four characteristics.

Image Shows an Earthworm

Explanation

Given animal is related to phylum annelids. Earthworm (Lumbricus sp.)

Characteristics-

  • The main feature of the phylum is the separation of the body into a linear series of cylindrical segments.
  • The body wall is protected with epidermis and it is covered with a thin cuticle secreted by the epidermal cells.
  • The digestive system of annelids contains of an unfermented gut that runs by the middle of the body from the mouth.
  • Circular rings in annelids called annuli.

Developed by: