However, scientists have used chicken DNA to breed chickens with primitive characteristics like teeth. Did you remember that birds evolved from dinosaurs?
There are 360 million years of questions out there ....
Tuesday, 19 December 2017
Back To The Future
In the movie Jurassic Park, scientists were able to breed dinosaurs using the DNA extracted from mosquitos trapped in amber. In reality the only DNA would have been from the mosquito!
However, scientists have used chicken DNA to breed chickens with primitive characteristics like teeth. Did you remember that birds evolved from dinosaurs?
By 'switching on' inactive parts of the chickens DNA scientists may be able to breed chickens with dinosaur characteristics
However, scientists have used chicken DNA to breed chickens with primitive characteristics like teeth. Did you remember that birds evolved from dinosaurs?
Tuesday, 12 December 2017
Did You Know ... ?
The Cusk Eel is found 8.4 kms beneath the ocean's surface.
What would conditions be like for them ?
What would conditions be like for them ?
- The high pressure would be a problem
- It's too deep for sunlight to reach.
- It's very cold - about 1d Celsius
Tuesday, 5 December 2017
Do Fish Mix With Other Fish? - Kim
Dear Kim,
Mostly fish hang with their own species, it's safer that way!
The bigger sarcopterygians could make a meal of the smaller species.
Mostly fish hang with their own species, it's safer that way!
The bigger sarcopterygians could make a meal of the smaller species.
Tuesday, 21 November 2017
How Big Are You? - J
Dear J,I am about half a metre long, but I may still have a bit of growing to do .
My uncle is about 65cms long!
Hello Fishy, What Do You Eat? - Minu
Dear Minu,
I eat smaller fish in our billabong.
I am a carnivore but my little brothers and sisters and I could also be eaten by the bigger fish like Mandageria fairfaxii.
That fish is really the top predator in our billabong
I eat smaller fish in our billabong.
I am a carnivore but my little brothers and sisters and I could also be eaten by the bigger fish like Mandageria fairfaxii.
That fish is really the top predator in our billabong
Tuesday, 14 November 2017
Do Fish See Things In Colour? - J
Dear J,
Fish eyes are generally similar in structure to the eyes of other vertebrates. Many species of fish have colour vision and some can even see ultraviolet which I'll bet you can't. You must remember that water absorbs lighht so it gets dimmer and darker the deeper you go. Shorter wavelengths of light (colours like blue & violet) penetrate deeper in the water than the longer wavelengths (red, orange)
(red, orange)
Fish eyes are generally similar in structure to the eyes of other vertebrates. Many species of fish have colour vision and some can even see ultraviolet which I'll bet you can't. You must remember that water absorbs lighht so it gets dimmer and darker the deeper you go. Shorter wavelengths of light (colours like blue & violet) penetrate deeper in the water than the longer wavelengths (red, orange)(red, orange)
Hello Fish! Is it Cold in the Water - Minus
Dear Minus
When our billabong was full the temperature of the water didn't vary much except in the very top layers. Sadly the water level in the billabong has been getting less and less. This means it warms a bit more in summer than it used to. The biggest problem for we fish is that the warmer water holds less oxygen so a lot of my companions in the pond have slowed down a lot and have breathing problems. (makes it easier for my family to catch dinner)
Fortunately for my family we can breath air for a while, if we stick our nostrils out of the water
When our billabong was full the temperature of the water didn't vary much except in the very top layers. Sadly the water level in the billabong has been getting less and less. This means it warms a bit more in summer than it used to. The biggest problem for we fish is that the warmer water holds less oxygen so a lot of my companions in the pond have slowed down a lot and have breathing problems. (makes it easier for my family to catch dinner)
Fortunately for my family we can breath air for a while, if we stick our nostrils out of the water
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