Which two animals are able to generate internal heat to maintain their body temperature in a cold environment? 1. Parrot 2. Snake 3. Frog 4. Dog 5. Crocodile

The development of_ factored in the development of complex organisms.

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from