What type of macromolecule is hemoglobin and whats its function in mammals?

Explain the importance of producers, primary consumers, secondary consumers. and decomposers in an ecosystem

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?