Carbon is most abundant in the <u>atmosphere</u> and <u>hydrosphere</u>.
Explanation:
In the atmosphere, carbon is mostly present in the gaseous state of carbon dioxide. Plants absorb atmospheric carbon through photosynthesis and prepare food which is used by other living organisms. Respiration by plants and animals returns carbon back to atmosphere.
Next to atmosphere, carbon is abundant in the hydrosphere dissolved in water. Aquatic plants and marine organisms absorb carbon dissolved in water to prepare food. This carbon is also used to produce shells and other marine structures.
Carbon is also present in lithosphere and biosphere.
Answer: Both are single-celled microorganisms which contains plasma membranes, cytoplasm, ribosomes, DNA
Explanation:
Cells are the smallest functional unit of organisms which are classified under two main categories namely:
--> prokaryotic cells and
--> eukaryotic cells.
Prokaryotes are unicellular or single-celled organisms which do not possess true nuclei. Their cell structure is simple as there is NO definite nucleus and the chromosomes lie free in a particular part of the cell. Examples of organisms that belongs to this group are the bacteria. They can only be seen through a high power of a light microscope and are found in air, water, soil and living organisms. The general structure of prokaryotes like bacteria contains Chromosome ( single DNA strand coiled up), cytoplasm, ribosome which are few cell components among others.
Eukaryotes are organisms which possess a definite or true nuclei. The cell structure is complex and highly organized with a well-defined nucleus (meaning its DNA is surrounded by a membrane). Many structures called the cell organelles are present which include: mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus, and lysosomes with other cell components, that is the cytoplasm, plasma membrane and ribosomes. Each organelle carries out a certain type of work. Examples of organisms that belongs to this group are the amoebas.
From the explanation above, both bacteria and amoeba are single- celled organisms which contains plasma membranes, cytoplasm, ribosomes, and DNA.
Answer:
slow change
Explanation:
If the change is slow they have time to adapt. An example of a fast change is human deforestation. With their habitat suddenly removed, the organisms living there will have to find new shelter and food fast. It's likely that they'll not even be able to find anything to survive off of and die, because organisms tend to have very specific needs. For example, pandas would go extinct if bamboo was eradicated.
Freshwater fish would not be able to adapt if it was suddenly dropped into salt water. They would die. An example of a slow change would be the slow addition of salt to freshwater. Fish that are better able to survive within higher levels of salinity will be more likely to reproduce. Slowly through reproduction a new type of fish suited to salt water may be developed over several generations.
<span>Nasal insufflation, also commonly referred to as snorting, is the inhalation of a crushed or powdered substance through the nose. It leads to a number of problems including perforation of the nasal septum, irritation of the nasal cavity, nose bleeds, and loss of smell.</span>
Hello,
Carbon dioxide enters plants through the plants' leaf.
Carbon Dioxide enters the leaf through the stomata, which are openings on the underside of the leaf where the exchange of gases occur. Stomata take in carbon dioxide and let out oxygen in the form of water vapour.
Faith xoxo
