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.
Answer: The correct answer is- This relationship is one of example of mutualism.
Mutualism can be described as a biological interaction between two species that live in close association with each other in a way that both the partners are benefited from each other. It is a type of symbiotic relationship.
Lichen shows mutualistic relationship between algae and fungus, where photosynthetic algae provides food source to the fungi and fungi in return provides protection to algae as well as provides nutrients from the surrounding.
Thus, it is an example of mutualism.
b. autotrophs are simpler organisms than heterotrophs
c. heterotrophs only generate a small fraction of their energy from photosynthesis.
d. all of the above
Answer: Option A
Explanation:
Only autotrophs have the ability to convert solar energy into chemical energy by the process known as photosynthesis. The autotrophs can trap all the radiant energy and only 10% of total energy that autotrophs have is transferred to another tropic level.
The energy from the producers are transferred to the herbivores and 10% of the total energy the herbivores have is transferred to another levels.
So, the energy flow takes place through the autotrophs because only they have the ability to perform photosynthesis.
B. its great diameter.
C. extreme cold.
D. immense pressure.
D immense pressure -------------
phagocytosis; lysosomes
osmosis; ribosomes
Answer:
phagocytosis; lysosomes
Explanation: