Answer:
This is unethical.
Explanation:
Every creature contributes one way or the other to the existence of ecosystem,and the stabity of the biodervasity. The whale is one of the major componets of the aquatic biodiversity .Therefore continous killing whch may lead to extinction would distablized rthe bioderstiy and leads to the loss of ecosystem.
Besides,if whales goes into exticntion this would affet the future generations to learn from their existence?Therefore for preservation for future generations,they must be protected for extictinon.
The advent of biotechnology,has shown the genetic products of human and animals could be used to produce genetically modifjed product for humanity Thus if whale goes into exticntion this may not be possible.
Answer:
The tree main cell components are: plasma membrane, cytoplasm and nucleous
Explanation:
The plasma membrane is the a bilipid membranous layer composed of proteins and carbohydrates.
The cytoplasm is a jelly-like substance composed of mainly water and found between the cell membrane and nucleus.
The nucleous is an organelle which contains genetic information (DNA) on special strands called chromosomes.
Answer:
Plants (biosphere) draw water (hydrosphere) and nutrients from the soil (geosphere) and release water vapor into the atmosphere. Humans (biosphere) use farm machinery (manufactured from geosphere materials) to plow the fields, and the atmosphere brings precipitation (hydrosphere) to water the plants.
Explanation:
Answer:
natutal resources are those which is not made by anyone
human made resources are those made by human or artifical things
Answer: Estivation
Explanation:
Non-mammalian animals that cannot maintain their body temperature by its own. They need to adapt certain phenomenon to survive in the existing conditions.
The animals in the desert like snakes, reptiles, North American tortoise, also maintain their body temperature and maintain an adequate amount of water inside the body.
The animals in the desert do not move out during the daytime in order to conserve water and energy.
This phenomenon is season and is known as estivation.
