SYSTOLE
The contraction of ventricles is called systole. Each period of systole is followed by diastole when the heart is at rest. The ejection fraction is the measure of cardiac output every systole. Systole corresponds to the phase 0 which is the point of stimulation. The membrane at this point is depolarized which means that there is no net charge. This time cell cannot contract. During repolarization, sodium goes back the cell and muscles is now ready for another contraction.
Assigning the various toppings of pizza to their appropriate domains and kingdoms according to biology are:
- Bacteria (Kingdom Bacteria),
- Archaea (Kingdom Archaea),
- Eukarya (Kingdoms Animalia, Plantae, Fungi).
What is a domain?
The most common pizza toppings belong to eukarya domain and three kingdoms which are animal vegetal, and fungi.
Eukarya is the domain that groups all organisms formed by cells with a defined nucleus.
Also, Eukarya groups together the kingdoms of protist, animal, vegetal and fungus. All of the most common toppings are within the Eukaryota domain.
Examples are:
- Chicken (animal)
- Meat (animal)
- Cheese (animal)
- Mushrooms (fungi)
- Sausages (animal)
- Onion (vegetable)
- Tomato (vegetable)
- Corn (vegetable)
- Pineapple (vegetable)
- Pepperoni (animal)
Hence, the most common pizza toppings belongs to the Eukarya (Kingdoms Animalia, Plantae, Fungi) domain.
Read more about <em>domains </em>here:
brainly.com/question/16003434
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I only know this so far-
4 elements
Nitrogen (N)
Hydrogen (H)
Sulfur (S)
Oxygen (O)
study suggests that photosynthetic eukaryotes may have emerged around 1.9 billion years ago in freshwater habitats. Eukaryotes are thought to have evolved the capacity for photosynthesis through a process called endosymbiosis, in which a protist host encapsulated a photosynthetic cyanobacterium.
Answer:
C. Access to more building supplies
D. Access to medical supplies
Explanation:
The population that is described is obviously living a way of life that has been practiced until several hundred years ago. Using the river with its water and fertile deposits as the main source for production of food and water, but facing overpopulation and lack of medical supplies. In order for the most immediate needs to be satisfied, this population needs more building supplies, so that the overpopulation is resolved. Also, extremely important for lowering the death rates and improving the quality and length of life, access to medical supplies are a must, which will help this population to be much more healthy and to have much less deaths because of diseases.
