Answer:
Frogs have some important internal and external structures that helps them to survive, grow and reproduce. Frog have almost similar internal anatomy to humans.
Frogs have the ability to respire through both lungs and skin. Skin is the external structure that helps them to respire in aquatic ecology.The skins helps to dissolves oxygen from the air and water and releases carbon-dioxide. Skin helps frogs to respire under water but if water do not have enough oxygen, frogs will drown.
An internal structure called liver is present in frog same as human beings. The liver releases chemical called bile that are utilized in digestion of fat and then emptied into the small intestine.
Hence, skin and liver are important for the survival of frog.
organelles are not membrane-bound
cytoplasm surrounds organelles
have a cell wall outside plasma membrane
Answer:
Answer B: Organelles are not membrane-bound
nitrogen fixation
assimilation
carbon cycle
Answer: Nitrogen Fixation
Explanation:
The bacteria that is present in the soil converts the atmospheric nitrogen into the form that can be used by the plants.
The form of nitrogen that is present in the atmosphere is not used by the plants has to be first converted in the form which can be used by the plants.
These bacteria are found in the roots of the legumes which gets food from the roots of the plant and fixes nitrogen for the plant.
Hence, the correct answer is option B
Answer:
The factor in an experiment that responds to the manipulated
B. Bio genous Sediment
C. Hydrogenous sediment
D. Both A and B
The correct answer is option B, Bio genous Sediment
Reason -
The calcareous ooze is known as biogenous sediment as it has formed from the calcareous microscopic shells of the living organism. These oozes have primarily developed due to the deposition of soft muds in the ocean floor made up of calcium or diatoms or radiolarians.. These biogenous sediments are found in the form of a) mineral calcite and b) aragonite.
Calcareous ooze is an example of bio genous sediment and the correct option is option B.
Bio genous sediments are formed from the remains of marine organisms such as shells, skeletons, and other calcareous or siliceous materials.
Calcareous ooze specifically refers to sediment composed mainly of the calcium carbonate shells or tests of microscopic marine organisms like foraminifera and coccolithophores.
These organisms extract calcium carbonate from the water to build their protective structures, and when they die, their remains settle to the ocean floor, accumulating over time to form calcareous ooze. It is important to note that terrigenous sediments, which originate from land sources, can also mix with bio genous sediments in some areas, creating a combination of both types of sediment.
Thus, the ideal selection is option B.
Learn more about Calcareous ooze, here:
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