Answer:
<em>The correct option is d) an ecotone</em>
Explanation:
An ecotone can be described as an area of transition between two different biomes. An estuary can be described as an ecotone where the river water meets the seawater. The freshwater biome mixes with the seawater biome in an estuary. Unique plants and animals are grown in an estuary which are adapted to live in such an environment. The water present in an estuary is termed as brackish water. Hence, the correct option is d.
Answer:
1. seawalls
2. volcanic
3. mass wasting
4. ocean basin
5. erosion
Explanation:
6. Reefs form from volcanic activity on an island in the ocean. This initially forms a fringing reef, but sea level rise can cause the reef to lie farther out from the island, forming a barrier reef. If the island ever subsides below sea level, the reef is called an atoll.
Land heats slower and too lower tempetures then water i believe is correct
B. Protista
Bcoz in kingdom protista
Euglenoids and slime moulds are present - having characteristics of both plants and animals..
And protozoans are also present-primituve relatives of animals.