Question
Differentiate between internal fertilization and external fertilization. What type of fertilization takes place in?
$1.$ Frog, and
$2.$ Fox?

Answer

Differences between internal fertilization and external fertilization:
Internal fertilization External fertilization
It takes place inside the female body. It takes place outside the female body.
Example: Human being. Example: Human being.
$1.$ In frog, external fertilization takes place.
$2.$ In fox, internal fertilization takes place.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

What are the difference between a Biosphere Reserve & a Wildlife Sanctuary?
Explain in brief about seismograph. Also, draw a labelled diagram of a seismograph.
Name any four pollutants which cause water pollution. State any three ways of controlling water pollution.
Which of the following are plant organs and which are animal organs? Brain, Leaf, Lungs, Roots, Stem, Kidneys, Flower, Heart.
Give an example to show that friction depends on the force with which the two surfaces are pressed together.

After observing Fig. answer the following.
$a.$ Read the following statements and label them in the figure:
$i.$ The part which produces female gametes.
$ii.$ The part where development of the baby takes place.
$iii.$ The part through which the developing embryo passes to reach the uterus.
$b.$ Explain the future development of the embryo that would take place after it gets embedded in the uterus.
The animal $A$ which is classified as an amphibian lays eggs in pond water. The hatching of its eggs produces a tailed$-$form $B$ which looks very different from the animal $A$. The form $B$ then undergoes a change $C$ and gets converted into animal $A$.
$1.$ Name $(i)$ animal $A$ and $(ii)$ form $B$.
$2.$ What is the change $C$ known as?
$3.$ Name the breathing organs of $A$.
$4.$ What are the breathing organs of $B$?
A pendulum oscillates $40$ times in $4$ seconds. Find its time period and frequency.
Describe an activity to show that a liquid exerts equal pressure in all the direction at a given depth.
What scientific topics will be covered in the textbook this year?