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
Answer:
Yes, the environment and the heritage both plays very crucial role in defining the evolution. But how? let's start it here.
Explanation:
- As per the Charles Darwin theory of natural selection, organisms that better adapt to changes can survive very well.
- For example In earlier times, snakes used to have limbs but they are just useless for them and they are not using those limbs so in next generations snakes have vestigial remnants of limbs.
- Another example we can study here is of mice, such as mice are nocturnal animals so they don't have vision capabilities and over generations they adapt a change due to their predatory nature and came with an affect of better hearing capabilities.
From an area of high concentration to an area of low concentration.
Let's say there is a mother wolf watching her young and she see's a predator coming her communication would be to howl for her pack and behavior change would become for supervising to defensive
