A study was completed to determine the effect of the banded tetra on other plant and animal populations in its tropical stream environment. The scientists looked at the population level of other species before and after they removed banded tetras. What MUST be TRUE about the banded tetra?
A
The banded tetra is a keystone species.
B
The banded tetra is a foundation species.
C
The banded tetra is in a parasitic relationship with these other populations.
D
The banded tetra is in a mutualistic relationship with these other populations.

What are the responsibilities of the region of the brain highlighted below? =+= will rate brainiest =+=

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

Most of the carbon on earth is stored in the form of