Many poisonous and toxic animals are brightly coloured, and other animals and predators are instinctively wary of brightly coloured animals. This is called warning colouration or aposematism. Described more scientifically, these colouration adaptations are to deter predators by using a warning signal,<span> which indicates that consuming the prey item would be unprofitable</span>. Nudibranchs back up this warning by secreting poisons that would be toxic or foul-tasting to predators. Nudibranchs have developed this strategy probably because it has a lower energy cost compared to developing a protective shell.
The first organisms to inhabit Earth were prokaryotes that
lived 3.5 billion years ago. prokaryotes are well organised, achieving all of an organism’s life functions
within a single cell. These were the precursors to eukaryotic cells
A mushroom-shaped landform
consisting of a column of less resistant rock supporting a broader extent of
wind-resistant rock is termed a yardang. Yardangs form in environments where
prevailing winds are strong and move in a single direction. Yardangs occur in
various deserts of the world such as the Turkistan and the Mojave deserts.
Answer: Plant vegetation so that their roots hold the soil firmly.
Build walls around the farm area.
Add natural fertilizers to the soil.
Soil erosion is a process of removal of top layer of soil which get sediment at some other place due to the affect of agents like wind and water. The superficial upper layers of soil are rich source of nutrients and organic matter and active region for germination of seeds and plant growth. Soil erosion removes these superficial layers making soil less fertile or not fertile and less useful for plant growth.
Plants growing in a vegetation have roots which can hold the soil and will prevent soil erosion from wind and water or any other agent. Building of walls around the farm area will prevent flood water to get inside the farm area and hence, prevents soil erosion by water. Addition of natural fertilizers to the soil adds up nutrients to the soil which facilitate plant growth and plant roots hold the soil therefore, prevents soil erosion.
Answer:
focused attention selects to attend to one stimulus, divided tries to do many at once and responds to more than one
Explanation:
