i wasnt sure where to post this...
but I've been really curious about this since i am always the one that isn't cold...
I was wondering if the animals that live in cold weather are hotblooded or cold blooded... like penguins for example and if there really is a pattern.
also i was...
Humans have colour vision - we have rods (which are quite sensitive to light) and cones (which come in three types, and whose different responses to light of different wavelengths our brains interpret as 'blue', 'green', and 'red').
Do any other mammals have colour vision? If there are any...
do u guys think animals communicate, has there been a study proving this?...it was always a headscratcher to me,...but my guess is they have to...right?
Why are sponges considered animals? They should most definitely be given a class of their own- they lack all of the characteristics of animals except for being multi-celled and being consumers... I would go into this in detail, but I'm sleepy :P