The answer is D, increasing genetic variation
Answer: pretty sure they create islands.
Explanation: since they start underwater, they cool off and make islands? That’s what I remember.
Answer:
Fish, Tilapia
Explanation:
Fish can live in the water tank
it releases carbon dioxide , which plants need for photosynthesis
ammonia from fish can also act as fertilizer for plant
If u want specific species, tilapia
can adapt to environment and withstand less than ideal water conditions
resistant to many pathogens and parasites