Reproductive isolation

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/reproductive-isolation

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the scientific name?Reproductive isolation
2. What is the origin?Evolutionary mechanisms that arise as populations diverge, critical for speciation
3. Why is reproductive isolation important for biodiversity?Because it lets populations grow apart and develop their own special traits, new species can form. This creates the many different kinds of animals we see on Earth.
4. How does reproductive isolation work before a zygote forms?Pre‑zygotic barriers stop animals from mating or fertilizing each other. They can be things like different mating dances or times of breeding.

Speciation: The evolutionary process by which new biological species arise from existing ones.
Gene Flow: The transfer of genetic material from one population to another, homogenizing genetic differences.
Hybrid: The offspring of two genetically distinct parents, often resulting from interspecific mating.