Answer: The below are following hazards of four-legged animals and fish.
Explanation:
The four legged animals like cats, dogs, horse, and others need proper shelter, food, and care to survive.
They need to be taken outdoors for excretion, and walk.
The mating period is not fix and not easily done.
The four like fishes like turtle and squid are difficult to be handled in aquarium.
The four legged fishes do not come in fishing net during aquarium cleaning.
There are chances of being biten by four legged animals and their associated diseases like rabies.
These animals can lick the food we eat and contaminate the food.
The animal feces may produce air pollution.
The animal noise like dog bark can cause noise pollution. Thus can lead to problem of hypertension.
Answer:
Digestion is the process of converting complex food any individual eats, into the smaller components and nutrition that is absorbed and assimilated into the body to produce energy and nutrition for the cell and body. The digestion process takes place in the digestive system that includes the gastrointestinal tract and organs like the liver and pancreas.
It includes ingestion of food through the mouth or buccal cavity, propulsion of food, physical digestion by making it small pulp with help of peristalsis, chemical digestion by the enzymes and acid, absorption through the intestine into the blood, and defecation of waste.
Answer:
Explanation:
In the spring, grass often dies near the roads that have been salted because, after salt has been applied and it fell on grasses, the salts penetstrate through the plant cell, and dehydrate water from the cells of the plant. Which result in loss of water in the cell and this make the cell not to be able to perform it's functions because of loss of water and hence because water us essential for it and it is lost, grasses dies.
Answer:
Option-C
Explanation:
Habitat fragmentation is a process during which large habitat is fragmented in smaller habitats by man-made activities. Habitat fragmentation is a very harmful process as it is one of the major factors for the loss of biodiversity in the ecosystem.
Due to division of the larger habitat into the smaller fragments, the population present in the smaller area are more susceptible to extinction as they will not interbreed with the individuals of the population stuck in another small habitat.
Thus, Option-C is correct.
