Answer:
We get oxygen from the air i.e. atmosphere. Green plants release oxygen in the atmosphere as a byproduct of photosynthesis. Respiratory system is responsible for obtaining oxygen from the environment. Circulatory system on other hand helps in delivering this oxygen to different cells of the body with the help of blood.
We get nutrients from the food that we eat. Digestive system breaks down all the complex compounds (such as polysaccharides, polypeptides, fats etc) into simpler elements which are easy to absorb.
produced as a waste product by the cells is carried by the blood to alveoli in the lungs where it gets diffused out and come out of the body as a part of exhale air. Hence, circulatory system helps in he transportation of from cells to the lungs and respiratory system helps in expelling it out from the lungs to the outside environment.
Solid wastes are mainly excreted out of the body from anus which is a part of digestive system. On the other hand, liquid waste (urine) is excreted out of the body with the help of urethra which is the part of excretory system. In addition, excess salts and water can also excrete out of the body through skin.
Muscles and bones together help us in our locomotion. Nervous system is important for proper functioning of bones and muscles.
Meiosis is the type of cell division used to produce haploid cells or gametes from a diploid parent cell. Hence, it is used in reproduction system to produce sperm in males and eggs in females.
Both anaerobic respiration (fermentation) and aerobic respiration are processes that yeast can do.
yeast:
- Much more ATP is produced during aerobic respiration, however there is a chance of becoming oxygen poisonous. Less energy-efficient anaerobic respiration enables life in anoxic environments. Muscle function inside the human body depends on both aerobic and anaerobic respiration.
- Yeast can carry out both anaerobic respiration (fermentation) and aerobic respiration. Both produces carbon dioxide , fermentation produces a much lower amount of ATP.
- Chemical equation of Anaerobic respiration or fermentation:-
( heat)
- Chemical equation of Aerobic respiration :-
ATP
- Yeasts are unicellular creatures that descended from multicellular ancestors; yet, certain species have the capacity to acquire multicellular traits by generating pseudo hyphae or fake hyphae, which are networks of connected budding cells.
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Answer:
It is a group designed to not be affected by any variables and to be used as a comparison to the other groups. It helps increase the reliability of your results, as it shows your independent variable is what made something happen in your experiment.
Answer:
A.
Explanation:
Macro molecules meaning large sized molecules are broken down into micromolecules meaning small sized ones.
Segmented digestive system, appendages are animal characteristics.
Animals are a major group of organisms, classified as the kingdom Animalia or metozoa. Animals have several characteristics that set them apart from other living things. They are all eukaryotic and usually multicellular, which separates them from bacteria and most protists. Different animals differ in their own characteristics such as appendages, segmentation among other animal characteristics.
