Answer:
All cells are surrounded by a cell membrane. The cell membrane is semipermeable, allowing some substances to pass into the cell and blocking others.
Explanation:
A Forest Pathologist is the scientist who studies the living and non living organisms that affect the ecosystems.
Answer:
Meiosis
Explanation:
Meiosis is one of the two types of divisions that cells usually undergo. However, meiosis is unique to sexually-reproducing organisms. Meiosis is the cell division which results in daughter cells with a reduced number of chromosomes (by half). Meiosis is used to produce gametes in sexually reproducing organisms.
According to the question, Labrador retriever contains 78 chromosomes in each of its muscle cells, which is a somatic cell. Since Labrador retrievers are sexually reproducing organisms, a male one will produce gametes (sperm cells) via the process of meiosis. At the end of the meiotic process, sperm cells with 39 chromosomes each will be produced.
Lake is the large body of water found inland and usually feed by a stream.
Explanation:
Lake is a water body that is found inland and usually feed by stream or rivers . Lakes supply drinking water to the cities. Lake plays huge role by providing water to the people which are used for various purpose agriculture, drinking, irrigation. It prevents flood and during dry season it maintains a flow of water. Lakes are also used for hydel power development.
Lake store water and during shortage it provides water . Lakes improves water quality as well as increases the groundwater level and also help in preserving biodiversity.
