Answer:
Genetic variation among plant populations often occurs along different climatic gradients, such as temperature and precipitation gradients.
Environmental factors are often responsible for the patterns of genetic structure observed at small spatial scales (Sacks, Brown, & Ernest, 2004).
Answer:
This sentence is FALSE: <em>The study of environmental science must involve discussion of human culture and people's opinions on politics and economics.</em>
→ The study of environmental science involve the natural components of Earth and also the connections between them.
Food water and predators can cause organisms to move on
Answer:
1. chondrichthyan
2 lateral line system
3. lobe fins
4 operculum
5 ray finned fish
6 swim bladder
Explanation:
A fish with a flexible cartilage skeleton is defined as a chondrichthyan
A lateral line system is a column of organs that are sensitive to small change in water pressure
Fish with strong pectoral and pelvic fins with rod-shaped bones are known as lobe fins
The operculum movement helps certain fish to breathe without swimming.
A fish with a bony skeleton and long, flexible fins is defined as ray-finned fish
A swim bladder is the gas-filled bag used in several fishes.
