Dictionary » A » Aquatic



(Science: ecology marine biology) Living in or on water for all or a substantial part of the life span (generally restricted to fresh water or inland waters).

Please contribute to this project, if you have more information about this term feel free to edit this page

Results from our forum

Aquatic life in the polar regions

During winter in polar regions there is a thick sheet of ice above the water bodies. How the water below ice get oxygenated to sustain aquatic life.

See entire post
by josem
Sun Aug 24, 2014 8:29 pm
Forum: Ecology
Topic: Aquatic life in the polar regions
Replies: 2
Views: 276

Re: Beneficial mutations vs harmful

... gene (given the correct environment) when the ''word'' is spelt. You will not be seeing desert-dwelling animals evolve flat, oar-like tails for aquatic locomotion because that would be a neutral or disadvantageous mutation, and it would not aid in the hypothetical species's survival, so it would ...

See entire post
by Coelacanth
Sun Oct 13, 2013 6:08 am
Forum: Evolution
Topic: Beneficial mutations vs harmful
Replies: 12
Views: 7835

Re: the harm of algae

... the death of them, because they have a short lifespan. And as they die, they take up oxygen in the water, which can disturb or even kill other aquatic animals or plants sharing the same habitat.

See entire post
by Rettajean
Wed May 29, 2013 6:34 am
Forum: Botany Discussion
Topic: the harm of algae
Replies: 2
Views: 4050

On the number of limbs.

Because it's not so easy to gain or lose limbs. Even aquatic mammals which seem to have no limbs, have still rudimentary legs. In other words, it is easier to change something than to gain or lose it.

See entire post
by JackBean
Tue Feb 05, 2013 4:34 pm
Forum: Evolution
Topic: On the number of limbs.
Replies: 7
Views: 3833

Is evolution as simple as we think?

... time and see a direction - e.g., from small dinosaurs without feathers to those with feathers to birds that can fly and back to lack of flight in aquatic penguins. However, we cannot predict (and neither can evolution) what traits will be beneficial in the future. If the traits weren't available, ...

See entire post
by thoffnagle
Thu Nov 29, 2012 7:39 pm
Forum: Evolution
Topic: Is evolution as simple as we think?
Replies: 38
Views: 22297
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 17,074 times. 
What links here | Related changes | Permanent link