How does a frogs tympanic membrane work

Answers

Answer 1

Answer: It works just like a human tympannic membrane. They hear sounds through this structure as sound waves vibrate against the membrane. The men rane acts like a drum skin.

Answer 2

Answer: A frogs tympanic membrane, or tympanum, is the circular patch of skin directly behind its eye that we commonly call its eardrum. It functions much like our eardrum does - the tympanum transmits sound waves to the middle and inner ear, allowing a frog to hear both in the air and below water.

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Why does the ratio of surface area to volume increase with the decrease in cell size?

Answers

The surface to volume ratio decreases as the cell size increases.

A hydrocarbon has molecular formula C3H8. Identify the class of hydrocarbons it belongs to.

Answers

Answer:

Alkanes

Explanation:

There are 3 classes of hydrocarbons based on the on the presence of single, double and triple bond present in them. These classes are mentioned as under:

1) alkanes

2)alkenes

3)alkynes

Alkanes are the hydrocarbons which are compounds of carbon and hydrogen bonded by single bond. Their general formula is CnH2n+2 that means if in an alkane n = 3 then it will have 3 carbon and 2n+2 = 8 hydrogen molecules.

Alkenes are the hydrocarbons which are compounds of carbon and hydrogen bonded by double bond. Their general formula is CnH2n.

Alkynes are the hydrocarbons which are compounds of carbon and hydrogen bonded by triple bond. Their general formula is CnH2n-2.

As explained above, the given hydrocarbon is an alkane because its chemical formula is C3H8 which satisfies the condition for formula CnH2n+2 which is valid for alkanes.

It would belong to the group known as the Alkane which have the general form $C_(n) H_(2n + 2)$

Water, or H2O, is a covalent substance because there is a covalent bond between -

Answers

It is a covalent substance because there is a covalent bond between Hydrogen and Oxygen

Which of the following interactions is an example of symbiosis? a tropical bird performs a courtship dance for a mate a population of hummingbirds migrates during the summer an insect acts as a pollinator for a plant species a mother bear feeds and protects her cubs

Answers

the answer is "an insect acts as a pollinator for a plant species"! symbiosis is when two different organisms help each other!

An insect acting as a pollinator for a plant species is an example of symbiosis because organisms of two different species are involved. Flowering plants and their pollinators have a special type of symbiotic relationship known as mutualism because both organisms involved receive a benefit.

Fungi reproduce by releasing
A. sperm.
B. seeds.
C. spores.
D. zygotes.

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Fungi reproduce by releasing tiny spores which grow into new fungi.

Groups of cells that perform a special job are called?A: cytoplasm
B: tissue
C: nucleus
D: membrane

Answers

The cytoplasm, nucleus and membrane are all part of cells.

Tissue cells are groups of cells that perform a special job, to heal the body.

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