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Anit [1.1K]
3 years ago
15

The food web in a diverse ecosystem is

Biology
1 answer:
ruslelena [56]3 years ago
7 0
The word that you are looking for is complex.
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4. In quiet breathing, a. None of the options is correct b. Inspiration and expiration are both passive processes c. Inspiration
Alina [70]

Answer:

d. Inspiration involves muscular contractions and expiration is passive

Explanation:

Breathing is the process of taking air in and out of the body or more specifically taking oxygen in and moving carbon dioxide out of the body. Our respiration rate is regulated by medulla in brain and alter according to our activities.

Quiet breathing is slow, relaxed breathing that lowers the blood pressure, slows the heart rate beat and calms the mind. It is done while sitting or maintaining a proper posture that require less energy and opposite to deep breathing that done during energetic activities like running.

Diaphragm is the main muscle movement during quiet breathing, which must contract to carry out it because its contraction draw the air to alveoli. So inspiration involves the contraction of muscles but the expiration is passive in quiet breathing. The reason is that due to the relaxed elastic muscles, the lungs and chest wall regain their resting volume according to the functional residual capacity.

8 0
3 years ago
When RNA is transcribed from DNA (Transcription) and leaves the nucleus, it is then called _____ . This message is "read" by rib
Gala2k [10]
When RNA is transcribed from DNA ( Transcription) and leaves the nucleus, it is called mRNA. This message is “read” by ribosomes in groups of three nucleotides, called a codons
3 0
3 years ago
A disease causes a plant to produce big bright flowers that are infertile. overtime the disease affects fewer plants. what likel
cricket20 [7]

Answer: I think that the dieses went away.

8 0
3 years ago
Summary of hearing: Vibrations cause the cochlea’s membrane to shake. This causes ripples in the ____________, bending the _____
mash [69]

Answer:

1) Basilar membrane

2) Stereocilia or hair cells

3) Nerve cells

4) Auditory

5) Temporal lobe

Explanation:

Basilar membrane: located inside of the cochlea which is located in the inner ear. This membrane separates two tubes that is filled with liquid which is also important for hearing.  

Hair cells: Connected to the basilar membrane and they acts as sensory receptors which can catch movements (ripples) in the basilar membrane and pass this message to the neurons.

Nerve cells: One of the main cell types in the brain, which are responsible for signal transfer.

Auditory cortex: This part of the brain is located in temporal lobe and handles the auditory information.

8 0
3 years ago
You have isolated a new mutation in the T4 bacteriophage rII A gene and you map its location within the gene by recombination fr
pantera1 [17]

Answer:

A lethal mutation, thereby the resulting phenotype is not observed .

Explanation:

Lethal mutations are the result of genomic changes that may be lethal in certain conditions. In genetic research, this type of mutation has shown to be very useful in analyzing gene function (i.e., genes whose protein products are key for the survival of the organism in question), and they are perfect gene markers. In bacteriophages, for example, temperature-sensitive mutants of phage T4 that can not grow at temperatures higher 42°C have been identified (Edgar & Lielausis 1964).

Citation:

R. S. Edgar, & I. Lielausis (1964). Temperature-sensitive mutants of bacteriophage T4D: their isolation and genetic characterization. Genetics, 49(4), 649.

5 0
3 years ago
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