« previous next »

Author Question: Circannual rhythms in birds are influenced by A) periods of food availability. B (Read 431 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Oct 27, 2013
Circannual rhythms in birds are influenced by
A) periods of food availability.
B) reproductive readiness.
C) periods of daylight and darkness.
D) magnetic fields.
E) lunar cycles.


Celeste

  • Hero Member
  • Posts: 588
Reply #1 on: Jul 27, 2019
C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Estimating cicada population size and predation rates by birds. Estimating cicada population size and predation rates by birds.
Selected Minerals: Food Sources, Functions, and Deficiency and Toxicity Symptoms Selected Minerals: Food Sources, Functions, and Deficiency and Toxicity Symptoms
A patient’s cognitive ability depends on his or her psychologic status, which is influenced by ... A patient’s cognitive ability depends on his or her psychologic status, which is influenced by ...
Food Log Food Log
In crocodilians, birds, and mammals, the heart has four chambers: two atria and two ventricles. Oxyg In crocodilians, birds, and mammals, the heart has four chambers: two atria and two ventricles. Oxyg
A variety of organic compounds from food can enter the reactions of aerobic respiration. A variety of organic compounds from food can enter the reactions of aerobic respiration.
Video: Primate Evolutionary Tree Animation

For a complete list of videos, visit our video library