Answer:
The first one in the image :)
Explanation:
If its asexual then, only the same species will reproduce therefore making it reproduce only one species.
A or c. I thought technically it was selective breeding but i haven't done genetics in a while to know what it's actually called
They use them as food and habitats.
Answer:
Excess nutrients from fertilizer runoff
Explanation:
The nutrients can create bacteria for the algae
full coverage of the moon