Explain both food and light as zeitgebers, Biology

Assignment Help:

Must account for both food AND light as zeitgebers

Because of the continuous light / dark periods of the year; light not always able to act as a zeitgeber.

Food is essential for survival at these latitudes (build up of fat layer) so being able to anticipate seasonal food availability to synchronizing feeding to is an important survival mechanism
Feeding continuously through summer is important to build up fat reserves for winter months.

Related Discussions:- Explain both food and light as zeitgebers

Explain the disadvantages of fixation, Explain the Disadvantages of Fixatio...

Explain the Disadvantages of Fixation? Fixation has following disadvantages also. These are highlighted herewith: (i) It distorts the cell's appearance. (ii) Motility can

Biotechnology, How does bisulfite sequencing work ?

How does bisulfite sequencing work ?

Meat product quality assurance, P r o d u c t Quality Assurance M...

P r o d u c t Quality Assurance Meat products should be manufactured under strict hygiene and sanitary conditions to avoid public health risks and improve aesthetic appea

Determine the parathryroid hormone receptors, Which of the following serves...

Which of the following serves as an effector, or part of an effector, that functions in a negative feedback system? A. 1,25-dihydroxyvitamin D Receptors located intracellularly

Predict the genotypes and phenotypes of the f2, In rats, the gene pigment (...

In rats, the gene pigment (P) is dominant to no pigment (p). The gene for black (B) is dominant to the gene for cream (b). If a pigment gene (P) is absent, genes B and b are inoper

Degradation of fats, Q. Explain Degradation of Fats? Fats are the este...

Q. Explain Degradation of Fats? Fats are the esters of glycerol and fatty acids and are called as 'glycerides'. Fats are susceptable to hydrolysis, oxidation and other che

Explain the menopausal symptoms, Explain the Menopausal symptoms Menopa...

Explain the Menopausal symptoms Menopausal symptoms include: (i) hormone-related gynaecological problems that occur around the menopause, and (ii) post-menopausal uterine

Chromosomes and chromatin strands are present in stage, Drosophila has 4 bi...

Drosophila has 4 bivalents (homologous chromosomes) formed at Meiosis I. How many chromosomes and chromatin strands are present in each of the following stages- Anaphase of mito

Metabolism of proteins, The major component of food is protein. The protein...

The major component of food is protein. The proteins ingested as part of our diet are not the same proteins required by the body, nor can large molecules be absorbed from the gut.

How are solutions classified, Q. How are solutions classified as per to the...

Q. How are solutions classified as per to their comparative tonicity? Comparative to another, a solution can be isotonic or isosmotic, hypotonic or hyposmotic or hypertonic or

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages