Lecture 3 Flashcards
1
Q
do eukaryotic organisms have organelles?
A
yes
2
Q
whats chloroplast?
A
absorbs light to form energy
3
Q
where did most of the worlds oxygen come from?
A
cyanobacteria photosynthesis many years ago
4
Q
what nitrogen fixation?
A
turns molecular nitrogen into ammonia ions.
5
Q
what is commensalism ?
A
is a long-term biological interaction in which members of one species gain benefits while those of the other species neither benefit nor are harmed.
