Answer: This is how I completed mine. Try taking some ideas from this.
Explanation:
Answer: Carbon is one of the most important chemical, non-metallic element that is considered to be the fundamental unit, making up the organic life. Carbon is present in almost all the living beings existing on earth.
Carbon plays a significant role in the carbon cycle. It transfers from plants to the animals or organisms as one consumes the plants, vegetables that are around us and further released into the atmosphere from the bodies of the living creatures during exhalation. This continuous transformation of carbon from one place to another is regarded as the carbon cycle.
It is abundant and can easily react with various elements.
Answer:
The correct answer is option 3) "A wild duck".
Explanation:
Common resources are considered all the goods that are provided by nature and cannot be categorized as a private good. A wild duck is considered a common resource under this definition, which can be utilized upon previous hunting approval and along with a responsible utilization. This is particularly important for wildlife conservation, because all animals have an important role in life cycles and ecosystems.
Answer:
It allows water and other molecules to enter and exit the system.
Explanation:
Plants have both a cell membrane and a cell wall. These allow needed molecules, such as water, to enter the cell. Both the cell wall and the cell membrane are semi permeable, which means that they choose what can enter and leave the cell. Molecules like water and other useful things to the cell enter it, and things such as waste leave the cell through the membrane and wall.
Remember that only plant cells have cell walls. Animal cells only have a cell membrane. But both the wall and membrane have the same purpose.
Answer:
A. Ancient bacteria
Explanation:
From the salt of the earth, researchers have isolated and revived a Bacillus strain, which they believe is >250 million years old. If correct, Russell Vreeland and his colleagues from West Chester University, Pennsylvania, have discovered the oldest living organism in the world.
