Most fishes and amphibians

are oviparous

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are viviparous

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are ovoviviparous

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show internal fertilization

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Solution

The correct option is A
are oviparous

Fishes and amphibians lay unfertilized eggs. In these animals fertilization and development of embryo is external. Ovoviviparous animals retain the fertilized eggs and the development of the embryo takes place inside the animal body. In viviparous animals the embryo is implanted in the female body and it derives nourishment from the parent.

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Similar questions

\begin{matrix} Column A \to & Column B A \to & Hen Vertebrate \to & B Amphibian \to & C D \to & Amoeba \end{matrix}

Fill in the blanks:

(a) Humans reproduce __________. (asexually/sexually)

(b) Humans are__________. (oviparous/viviparous/ovoviviparous)

(d) Male and female gametes are __________. (diploid/haploid)

(e) Zygote is __________. (diploid/haploid)

(f) The process of release of the ovum from a mature follicle is called__________.

(g) Ovulation is induced by a hormone called the __________.

(h) The fusion of the male and the female gametes is called __________.

(i) Fertilization takes place in the __________.

(j) The zygote divides to form __________, which is implanted in uterus.

(k) The structure which provides vascular connection between the fetus and uterus is called __________.

Define.

(a) Oviparous

(b) Viviparous

(d) Fertilization

(e) Budding

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