Chapter 3 Flashcards
1
Q
Basic units of matter
A
atoms
2
Q
particles labeled with negative signs
A
electrons
3
Q
earths sphere that encompasses all water
A
hydrosphere
4
Q
landforms include
A
mountains
5
Q
matter that all organisms need for life
A
nutrients
6
Q
an organism that gets nutrients by eating other organisms
A
consumer
7
Q
the phosphorus cycle involves mainly
A
lithosphere and hydrosphere
8
Q
eutrophication of a body of water is often caused by
A
phosphorus and nitrogen
9
Q
nitrogen fixation can happen through a lightning strike ot
A
nitrogen fixing bacteria
