In which of the following organisms does external fertilization occur? (2021)

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Question: In which of the following organisms does external fertilization occur? (2021)

Options:

Correct Answer: Frog

Exam Year: 2021

Solution:

Frogs exhibit external fertilization where eggs and sperm are released into the water.

In which of the following organisms does external fertilization occur? (2021)

In which of the following organisms does external fertilization occur? (2021)

Step 1: Understand what external fertilization means. It is when eggs and sperm are released outside the body into the environment, usually water.
Step 2: Identify organisms that use external fertilization. Common examples include frogs, fish, and some invertebrates.
Step 3: Focus on frogs as an example. Frogs lay their eggs in water, and the male frog releases sperm over the eggs to fertilize them.
Step 4: Conclude that frogs are a clear example of an organism that exhibits external fertilization.

External Fertilization – A reproductive process where eggs and sperm are released into the environment, typically water, for fertilization.
Organism Types – Understanding which organisms utilize external versus internal fertilization, such as amphibians, fish, and some invertebrates.