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Answer:
the frequency of a sounds wave
Explanation:
did the test
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Phenacetin can be made using either the Williamson ether synthesis or the amide synthesis.a. Trueb. False
What is an age-structure diagram, and how can it predict population growth?
What is the density of a liquid that has a volume of 20 ml and a mass of 3g
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Answer: The shrimp population would decrease.
Explanation:
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Answer:
The Acidophilic Microbial Community has low diversity with microorganisms primarily in Leptospirillum groups II and III and from Ferroplasma types I and II.
Explanation:
An acidophilic microorganism or plant is one which grows best in acidic conditions.
They are also referred to as microorganisms which occur in acidic natural (solfataric fields, sulphuric pools) and man-made (eg. Acid mine drainage) environments.
Acidophilic Microbes otherwise known as Acidophiles are an ecologically and economically important group.
They possess networked cellular adaptations for regulating intracellular pH. Several extracellular enzymes from acidophilic microbes are known to be functional at much lower pH than that inside the cells.
Acid stable enzymes have applications in several industries such as starch, baking, fruit juice processing, animal feed and pharmaceuticals, and some of them have already been commercialized. Acidophiles are widely used in bio-leaching of metals from low grade ores
Recent studies show that acidophiles are currently being considered to be utilized in bio-conversion and bio-remediation, as well as in microbial fuel cells to generate electricity.
Acidophilic microbes of similar characteristics are classifed in groups for ease of study and identification.
Leptospirillum Group II and II as well as Ferroplasma types I and II are groups of acidophilic microorganisms within the Acidophillic Microbial community.
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Answer:
are coated with a thin layer of metal (usually gold or gold-palladium). The metal coating makes samples conductive
B. spleen
C. pancreas
D. liver
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Absorption is the process of transferring digested food from intestinal membranes into the blood circulation, which takes most nutrients straight to the liver for further processing and/or storage. That is option D.
What is liver?
Liver is one of the largest visceral organs of the body that helps in the metabolism of nutrients.
After the ingestion of food, absorption takes place which is the process of transferring digested food from intestinal membranes into the blood circulation.
The nutrients must pass straight to the liver for metabolism.
Learn more about absorption here:
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Penn Foster: D. Liver
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The labelled diagram is attached below & the correct sequence is shown below:
4. Sun Heat - The heat of sun causes water to evaporate.
2. Evaporation- vaporization of water
6. Condensation - The conversion of water vapours from gaseous to liquid state.
1. Precipitation - water falls from clouds in the form of rain, snow or sleet.
5. Run off - The surface water is a major part of the collected water, flows from top of any surface (form rain, snow etc)
3. Collection of water - The rain water is collected.
The following is the correct order starting from the heat of the Sun 4, 2, 6, 1, 5 and 3.
Starting with the heat from the sun (4), the process of evaporation takes place (2). In this process, heat from the Sun evaporates water from the rivers, oceans, lakes, ice, and soil into water vapor. After this the process of condensation takes place (6), in this water vapor from clouds cools down and converts back into liquid water in the form of water droplets. These water droplets remain in the air.
Then the process of precipitation takes place (1), in this, water droplets combine with air and becomes too heavy to stay in the air. Thus, they fall in the form of rain. After this runoff (5), that is, downward movement of surface water takes place under the influence of gravity. Finally, collection (3) takes place, in this water that falls as snow or rain comes back to the lakes, oceans, rivers, or any other water body.
B. Members of Porifera lack endoderm and ectoderm
C. Sponges are a member of the phylum Cnidaria
D. Sponges do not reproduce by sexual reproduction and instead only reproduce asexually.
E. Given the following on the organism
I. An animal
II. Multicellular
III. Lacks tissues
IV. Lacks organs
V. Asymmetrical
This organism must be a member of the Phylum Porifera
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Answer: Option E
Explanation:
Most of all poriferans/ sponges are suspension or filter feeders. Suspension feeders are organisms that each food materials which are suspended in their environment ie sea water, while filter feeders filter their food source from water by drawing water containing bacteria and organic matter in through their ostia(pores). Substrate feeders at organism that live in or on their food source.
Members of the poriferans do hava an ectoderm (epidermis) and an endoderm including a non-cellular late that is present in between the two layers.
No, they do not belong to the phylum cnidaria but porifera. Cnidarians including hydra, sex anemones, jellyfish etc and these have features that different from that of the sponges e.g the presence of nematocysts in cnidarians
Sponges can reproduce both sexually and asexually. Sexually by releasing larva fertilized in the sponge into water where they float around for some days and then proceed to adhere to a solid surface and begin their growth into adults. Asexually by budding
They are multicellular, lack tissues, are animals, lack organs and are asymmetrical. These are th distinguish features of poriferans
Answer: Option E.
Explanation:
Phylum porifera are group of organisms that live in aquatic habitats both marine and freshwater. They are diploblastic I.e they have two germ layers. They are assymetrical . They have round or vase-like or sac- like shape. They are multicellular and have bodies full of pores. They lack tissues and organs. Sponges are members of the phylum porifera.