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

Practice Questions

Q1
In which of the following organisms does external fertilization occur? (2021)
  1. Frog
  2. Human
  3. Dog
  4. Cat

Questions & Step-by-Step Solutions

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.
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