Question

X and Y are the two types of animals. The animals like X undergo external fertilization whereas animals like Y undergo internal fertilization. The animals like X lay eggs from which baby animals are hatched. On the other hand, in animals like Y, the young one develops inside the uterus of mother which then gives birth to the baby.
(a) What is the general name of animals like X ?
(b) Give two examples of animals like X ?
(c) What is the general name of animals like Y ?
(d) Write the names if two animals like Y.

Answer 1

Answer:a amphibians like frogs

B frogs and worms

C mammals

D humans and dolphins

Explanation:

Answer 2

Oviparous and Viviparous animals

Explanation:

The animals like X undergo external fertilization whereas animals like Y undergo internal fertilization. The animals like X lay eggs from which baby animals are hatched. On the other hand, in animals like Y, the young one develops inside the uterus of mother which then gives birth to the baby.

(a) General name of animals like X is oviparous animals.

(b) Examples of animals like X are tortoise and snake.

(c) General name of animals like Y is viviparous animals.

(d) Examples of animals like Y are Cows and Dogs.