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Frog

Frog

1. (Science: zoology) An amphibious animal of the genus rana and related genera, of many species. Frogs swim rapidly, and take long leaps on land. Many of the species utter loud notes in the springtime.

The edible frog of Europe (rana esculenta) is extensively used as food; the American bullfrog (R. Catesbiana) is remarkable for its great size and loud voice.

2. [Perh. Akin to E. Fork, cf. Frush frog of a horse.

(Science: anatomy) The triangular prominence of the hoof, in the middle of the sole of the foot of the horse, and other animals; the fourchette.

3. A supporting plate having raised ribs that form continuations of the rails, to guide the wheels where one track branches from another or crosses it.

4. [Cf. Fraco of wool or silk, L. Floccus, E. Frock] An oblong cloak button, covered with netted thread, and fastening into a loop instead of a button hole.

5. The loop of the scabbard of a bayonet or sword. Cross frog, a small, leaping, hemipterous insect living on plants. The larvae are inclosed are frothy liquid called cuckoo spit or frog spit.

(Science: botany) frog lily, the frothy exudation of th 510 e frog hopper; called also frog spittle. See Cuckoo spit, under Cuckoo.

Origin: as. Froggu, frocga a frog (in sensel); akin to D. Vorsch, OHG. Frosk, g. Frosch, Icel. Froskr, fraukr, Sw. & dan. Fro.


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Population ecology

I recently came across a question in an assignment. It states that a species a frog lives on the coast of California and that they range in size based on location. Smaller ones are at the top, middle in the middle and larger on the bottom. What event would most ...

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by Tlaurain
Fri Apr 11, 2014 5:36 pm
 
Forum: Ecology
Topic: Population ecology
Replies: 1
Views: 501

Are predators always smarter than their prey?

... than the host-- and to one of the weirdest exceptions on the second list ("Morphology"), which is the unique case of the paradoxical frog, whose tadpole is bigger than the adult. Please let me know about any additional examples. The complete set of lists includes nearly a thousand ...

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by piscilactovegetarian
Sun Feb 16, 2014 3:03 pm
 
Forum: Zoology Discussion
Topic: Are predators always smarter than their prey?
Replies: 12
Views: 8064

Re: 7 deadly sins in nature

... to complie a list of examples in nature (non human) of the '7 deadly sins' to link to human behaviour . For example Gluttony: The ornate horned frog. It will eat anything in their path. Even if it is larger/unmanagable. Envy: recent study into capuchin monkeys suggest they display envy when ...

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by animartco
Wed Jan 15, 2014 1:11 pm
 
Forum: Zoology Discussion
Topic: 7 deadly sins in nature
Replies: 6
Views: 3155

7 deadly sins in nature

... to complie a list of examples in nature (non human) of the '7 deadly sins' to link to human behaviour . For example Gluttony: The ornate horned frog. It will eat anything in their path. Even if it is larger/unmanagable. Envy: recent study into capuchin monkeys suggest they display envy when ...

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by sibridge
Wed Oct 23, 2013 11:20 am
 
Forum: Zoology Discussion
Topic: 7 deadly sins in nature
Replies: 6
Views: 3155

How does blood is circulated in amphibians?

The frog circulatory system consist of two atria and one single ventricle. It is the only organ within the coelom which has its own protective covering. The single ventricle is not divided into two compartments like a humans ...

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by suzidoc8
Mon Jul 23, 2012 2:00 pm
 
Forum: Physiology
Topic: How does blood is circulated in amphibians?
Replies: 4
Views: 7084
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