Answer:straum and straum
Explanation:
they both have the same name
Amphibia is the class of vertebrates which is considered to be the first to develop lungs. This allowed amphibians to live successfully on land as terrestrial organisms. Ichthyostega was the first primitive amphibians with nostrils and lungs. Amphibians adopted themselves to live on land with developed lungs.
Dead zones are low-oxygen<span>, or hypoxic, areas in the world's oceans and lakes
(answer is dead zones)</span>
Answer:
1.
Explanation:
Atomic mass is protons+neutrons. Atomic number is just protons.
<span>Proteins are different based on number and type of ____________ contained in their polypeptide chain(s)
</span>Amino acids
