Answer:
When fire is suppressed, the vegetation eventually converts to scrub and dense forests. Often, the restoration or management of temperate grasslands requires the use of controlled burns to suppress the growth of trees and maintain the grasses. Burning causes new grass to grow, which brings back the grazing animals.
Explanation:
Answer:
Sexual reproduction enhances the genetic variation within the population, as new individuals are produced due to the random combination of genetic substances obtained from two parents. As only fit individuals attain sexual maturity and breed, the entire population seems to incline towards enhancing fitness in its environment. However, there is always a probability that the random combination producing the genome of the offspring will in real sense generate an offspring that is less fit for the environment in comparison to its parents.
Answer:
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Explanation:
Matter cannot be created in chemical reactions, so this is a conversation of mass. In the chemical reaction must end up in the products it started with.
Answer: Carbon cycle is very important for the plants and animals that are divided into 4 steps and these steps are:
1.The carbon enters the atmosphere in the form of carbon dioxide.Example: respiration and combustion.
2.The carbon dioxide present in the environment is used by the plants and plants expel oxygen after the process of photosynthesis.
3. Animals present in the environment eat the plants and pass on the carbon in the food chain. They exhale carbon dioxide into the environment.The plants and the animals die after a certain period of time.
4. The body of plants and animals is consumed by decomposes and the carbon is returned into the atmosphere in the form of carbon dioxide else fossils of plants and animals are formed which contains carbon.