Answer:
The population of fish with pelvic spines that arrived in the lake at time B evolved a reduced pelvis over time (beginning at time C).
(Having a reduced pelvis must have been advantageous for this ancient stickleback population, just as it is for many current freshwater stickleback populations.)
Answer:
The marine environment supports a diverse range of sea life that is important for global biodiversity. A healthy marine environment supports our cultural and social well-being, and the ocean's resources contribute to our economy.
Explanation:
Our aquatic wildlife are important sources of food, energy, jobs, atmospheric oxygen, buffers against new diseases, pests, and predators, and protection against food shortages and global climate change. add jobs and promote tourism through the enjoyment of nature
Answer:
HOPE THIS HELPS
Explanation:
Conserve water every day. Take shorter showers, fix leaks & turn off the water when not in use. Don't pour toxic household chemicals down the drain; take them to a hazardous waste center. Use hardy plants that require little or no watering, fertilizers or pesticides in your yard.