Why are frogs amphibians and not reptiles? Why is tiktaalik considered to be a fish and not an amphibian? Why are there no marine amphibians? Why can some amphibians live on land as they mature? Why do reptiles lay fewer eggs than amphibians?
Now, if you wonder, “how often do African dwarf frogs eat?” the answer is at least three times a week. Pet owners also want to know, “how long can African Dwarf frogs go without food?” Well, they can easily survive without food for 4 to 5 days. But keeping them without food ...
Why do sponges belong to the phylum Porifera? Why are crinoids in the phylum Echinodermata? Why are humans members of the phylum Chordata if we don't have tails? Are fish and amphibians part of phylum Chordata? Why is the phylum Arthropoda the most diverse?
The fungus did not seem to be harming the frog, according to the study, and it had no other visible injuries. This is not the first time amphibians have encountered fungi.Previous researchrevealed that amphibians are vulnerable to a pathogenic fungi calledBatrachochytrium dendro...
听力原文: I want to talk today about some studies. They seem to indicate that there is a startling world-wide decline in the number of amphibians, such as frogs, toads and salamanders. There's little doubt that one reason why the number of amphibians is declining is their habitats have ...
How do you identify invertebrates? Invertebrates are animals with no bones; nearly all the ones you'll find have lots of legs (6 or more!) or none at all. To identify birds, mammals, frogs, snakes, turtles, toads, fish, and other vertebrates, look at theother picture sheetsor ask your...
That might not sound like much of a defence. After all, in theory the frog has still had a chunk bitten out of it, which won't do it any good. But in practice predator attacks hardly ever go that far, thanks to the frogs' other weapon: colour. ...
They were the amphibians, animals like frogs that hatch from eggs in the water and live only part of their lives on land. They desiccate and die if they sit too long in sunshine. It took another fifty million years for the descendants of the amphibians to become reptiles fully adapted to...
Why do sponges belong to the phylum Porifera? Why is the phylum Arthropoda the most diverse? Is kelp a protist? Why or why not? Why are frogs in the phylum Chordata? Why are leeches classified in the phylum Annelida? Is Pisaster ochraceus a keystone species?
Why have amphibians not adapted successfully to the marine environment? Why are amphibians called amphibians? Why can some amphibians live on land as they mature? Why do amphibians have a three-loop circulatory system? Why are amphibians and reptiles grouped together? Why are frogs in the phylum...