Register
Rachel counted all the earthworms in a square meter in her back yard and found she had 36. She went back a week later and found she had only 30.Rachel knew that this was far too few to maintain her lawn
32.7k views
0 votes
Rachel counted all the earthworms in a square meter in her back yard and found she had 36. She went back a week later and found she had only 30.Rachel knew that this was far too few to maintain her lawn so she decided to study the population for a couple of weeks. She found there were 9 worms born per week and 5 died per week. She also found 10 left for a nearby plot of land and 8 worms came from nearby plots during that week. Was the population growing or shrinking

User Daniel Milde
by
5.4k points

1 Answer

4 votes

Answer:

Shrinking. Added 12, lost 15.

Step-by-step explanation:

User Anthony Blackshaw
by
4.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.7m questions

7.4m answers

Other Questions

Which of these structures is primarily responsible for the enzymatic breakdown of a large molecules in the cell?
What are some common signs and symptoms of mental health disorders?
A state of joyful activity in which the subject performs an action effortlessly and skillfully is known as a(n) __________.
!! Earth Science!! Carbon dioxide is normally approximately 2% fraction of the air in the atmosphere. The reason carbon dioxide is considered a pollutant is because... a) Carbon dioxide levels are much
Which statement best describes the life cycle of plants such as ferns? a. Different plants have a different number of phases in their life cycle. b. Plants have a single life cycle and are entirely haploid.
Link Copied!