What is the difference between direct and indirect development? Explain.

  • A
    Direct development involves a larval stage.
  • B
    Indirect development involves a larval stage.
  • C
    Direct development occurs only in plants.
  • D
    Indirect development occurs only in mammals.

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Similar Questions

Select the correct match for Column $X$ and Column $Y$:
Column $X$Column $Y$
$(1)$ Aves$(A)$ Endoskeleton made of cartilage
$(2)$ Amphibia$(B)$ Left aortic arch
$(3)$ Chondrichthyes$(C)$ First homeothermic animals
$(4)$ Mammalia$(D)$ Metamorphosis

Reptilia differ from Amphibians in which of the following aspects?

Identify the correct terms for the following analogy-based questions:
$(i)$ Porifera : Choanocytes :: Platyhelminthes : ....
$(ii)$ Chondrichthyes : Placoid scales :: Osteichthyes : ....

$A$: In $Aves$ and $Mammals$, the heart is four-chambered.
$R$: In $Mammals$, the aortic arch curves to the left.

Select the correct match for $X$ and $Y$:
Column $X$Column $Y$
$(1)$ Platyhelminthes$(P)$ Malpighian tubules
$(2)$ Aschelminthes$(Q)$ Nephridia
$(3)$ Arthropoda$(R)$ Flame cells
$(4)$ Annelida$(S)$ Renette cells

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