Answer:
Hyperimmunoglobulinemia E Syndrome
Explanation:
Hyperimmunoglobulinemia E Syndrome or Job syndrome is an immunodeficiency disorder in which the white blood cells are incapable of producing an inflammatory response to infectious organisms. It is an autosomal dominant disorder. It is characterized by recurring bacterial infections, specially of lung and skin. There are also other symptoms like abromalities in vascular or skeletal system and elevated IgE level.
Symptoms like frequent formation of pus pockets in skin, lungs or joints usually begin during infancy. These pus pockets are formed due to infection by staphylococcal bacteria. Treatment usually consists of antibiotics to fight infection and anti histamines to relieve the symptoms like rash and itching. Sometimes drugs can also be administered to modify immune system.
Answer:
Option 4, Organisms in level D are heterotrophic.
Explanation:
Generally in a energy level or trophic level system, organisms are arranged on a pyramid scale in such a way that organism lying at the level A or the base of the pyramid are producers. They obtain energy from the sun and produce food for other organisms. Organism in level B is a herbivore which feed upon the plants to gain food and energy. In level C organisms that feed upon herbivores i.e the carnivores lies. At level D lies the microorganisms that feed upon dead remains of high order animals and plants. Hence, organisms at level D are called heterotrophs.
Thus, option 4 is correct
Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
Source: https://courses.lumenlearning.com/boundless-biology/chapter/eukaryotic-cells/
- Pangaea split into two new continents, Laurasia and Gondwanaland
- The modern continents of North America (Greenland), Europe, and Asia made up by Laurasia.
- The modern continents of Antarctica, Australia, and South America made formed Gondwanaland.
<h3>What two facts support the existence of Pangea?</h3>
- After it was discovered that the rock formations of western Europe, northern Africa, and eastern North America all shared a similar ancestor and that they coevolved with the existence of Gondwanaland.
- Together, these findings provided evidence for Pangea's existence.
<h3>What caused Pangea to split into the current plates?</h3>
- Similar to how it was formed, Pangea started to fragment around 200 million years ago due to tectonic plate movement brought on by mantle convection.
- The supercontinent split as a result of new material moving away from rift zones, just as new material helped construct Pangea.
To learn more about Pangaea visit:
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The answer is moss.
Mosses are nonvascular seedless plants. <span>Nonvascular plants have simple tissues specialized for internal water transport.</span>
On the other side, vascular plants have vascular tissue which consists of xylem and phloem. Xylem transport water and minerals from the root to the upper parts of the plant. Phloem transports food and nutrients from the leaves, where they are produced, to the growing or storage parts of the plants.
