Answer: carbohydrates,lipids , protein and nucleic acids.
Explanation:
Answer:
D. An area with many individuals of many species.
Explanation:
Biodiversity is the variety and variability of life on Earth.
Biodiversity is supposed to be diverse with a lot of different species. Diverse means showing a great deal of variety; very different.
Answer:
From the sea to reproduce in freshwater.
Explanation:
From fisheries, we can know about many types of fishes. Anadromous is one type of fish which migrate during their life cycle.
Anadromous fish are born in freshwater in the first stage of their lives. Then they migrate to the ocean as juveniles. This migration occurs so that they grow into adults into the sea. After becoming adults, they again migrate beck into the freshwater. They reproduce into the freshwater after migrating back into the freshwater from the sea.
So, we can say that there is two migration in the whole life cycle of anadromous fishes which is occurred so that they can reproduce.
The atmosphere is a mixture of gases that surrounds the earth
