Infanticide in rodents

High school (ages 12+)
Animals & Nature

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/infanticide-in-rodents

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 nonparental infanticide motivation?Male reproductive strategy to accelerate female estrus and ensure paternal lineage
2. What is the evolutionary significance?Demonstrates adaptive behaviors that enhance survival and reproductive success under ecological pressures
3. Why do mother rodents sometimes eat their babies?When a mother is very hungry or there isn’t enough food, eating her babies gives her the energy she needs to stay alive and have more babies later.
4. Why do unrelated male rodents kill babies?Males do this to make the mother ready to mate again quickly, so the new male can have his own babies sooner.

Neonate: A newborn infant, in this context referring to a newly born rodent.
Life History Trade-offs: Situations where investing in one life function (like reproduction) comes at the cost of another (like survival).
Reproductive Success: The ability of an organism to pass on its genes to the next generation through reproduction.