7th grade science

posted by .

What are mass extinctions?

  • 7th grade science -

    Mass extinction is the death of all members of a species. For example, dinosaurs, woolly mammoths, and passenger pigeons are the victims of mass extinctions.

  • 7th grade science -

    ok thank you

  • 7th grade science -

    You're welcome.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. 6th /7th grade science

    i have 2 daughters which are in 6th/7th grade, both of them have 1wk left to turn in their science projects.I have been looking with them to find a good one but haven't been succesful,maybe due to this is my first time doing one with …
  2. 7th grade

    I was wondering if there were any sample placement tests that I could give to my son who is currently in 7th grade homeschool.
  3. Physical Science

    Hi... well anyways so I am in 7th grade but I'm taking 8th grade science...I think...I know for sure that I am in Accelerated 7th grade science so if that helps at all, there you go:) Back to the subject I'm really confused with acceleration …
  4. Earth/Space Science

    Some scientists have hypothesized that meteorites have periodically bombarded Earth and caused mass extinctions every 26 million years. How might this hypothesis be tested?
  5. help

    can someone help me with the pythagorean theorem?
  6. 7th Grade

    I just wanna know anyone who's been in 7th grade what do you learn in science mostly throughout the year?
  7. science

    How might the formation of Pangaea have led to mass extinctions at the end of the Permian period, about 250 million years ago?
  8. 7th grade math (probability)

    I'm not sure how to answer this: 3. THe 7th grade wants to have a back-up representative just in case the first teacher is absent. Based on the same scenario as #2, if a math teacher was chosen to be the 7th grade representative, what …
  9. Math

    At Jefferson School, both 6th grade & 7th grade classes take a math test. The average score for the 6th grade is 80 and for the 7th grade is 90. If there are twice as many students, in the 7th grade as there is in the 6th grade, what …
  10. Math

    How many 7th grade students are expected to move by the end of the year?

More Similar Questions