Answer:
Cells divide and reproduce in two ways, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells
Explanation:
Answer:
1)Biodiversity of an area refers to the vast number of species of plants, animals and microorganisms existing in that area.
2)Fauna refers to animals, whereas flora refers to plants
3)Yes, I agree with the statement. Forests provide plant cover to check the flow of water. If forests are removed, then floods will occur.
4)False.
Endangered animals are those species whose numbers are diminishing at an alarming rate and face an immediate danger of extinction.
5)If all trees in a forest are cut, it will lead to erosion of soil.
6)Grazing by cattle should be controlled for forest conservation.
7)True.
Soil erosion is the removal of top layer of soil that is most fertile. If not checked, soil erosion ultimately leads to desertification.
8)The flora and fauna of a country are among the most important renewable natural resources.
9)Dinosaurs are extinct because no living member of this species is present on earth.
10)Wildlife conservation and forest conservation are closely related.
11)False.
A biosphere reserve comprises of three core areas: natural zone, buffer zone and transition zone. These zones are not present in a tiger reserve.
Explanation:
Peace
<span>The 4 categories of macromolecules include carbohydrates, proteins, lipids, and nucleic acids. Carbohydrates (grains and vegetables) are the largest group at the base of the pyramid, proteins (milk, poultry, eggs, nuts) follow up the pyramid while lipids (fats and oils) are the least amount at the summit of the pyramid. </span>
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</span><span>The aim of the pyramid is to recommend ideal rations for a healthy diet. Carbohydrates provide most of the energy needs for the days’ activities hence taking the largest portion. Proteins are used in building muscles, f0r nutrition, and body’s immunity hence required in lesser amounts compared to carbohydrates. Lipids help the body store energy since they have thrice as much energy as carbohydrates.They also a constituent of cell membranes and also help deliver vitamins. They are required in the least amount to avoid obesity and related illnesses such as cardiovascular <span>diseases</span></span>
Are there options, or is it short answer?
Answer:
I believe that the answer to this question would be D. refraction
Explanation:
because it changes direction of the light in don't know how to explain
